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120121032 = 23331161453
BaseRepresentation
bin1110010100011…
…10011011001000
322101000210002010
413022032123020
5221222333112
615530335520
72656004043
oct712163310
9271023063
10120121032
1161894789
123428a5a0
131bb6a045
1411d4bc5a
15a82b63c
hex728e6c8

120121032 has 32 divisors (see below), whose sum is σ = 309991680. Its totient is φ = 38748480.

The previous prime is 120121013. The next prime is 120121033. The reversal of 120121032 is 230121021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120120999 and 120121017.

It is not an unprimeable number, because it can be changed into a prime (120121033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79983 + ... + 81470.

It is an arithmetic number, because the mean of its divisors is an integer number (9687240).

Almost surely, 2120121032 is an apocalyptic number.

120121032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120121032 is an abundant number, since it is smaller than the sum of its proper divisors (189870648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120121032 is a wasteful number, since it uses less digits than its factorization.

120121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161493 (or 161489 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120121032 is about 10959.9740875606. The cubic root of 120121032 is about 493.4081872458.

Adding to 120121032 its reverse (230121021), we get a palindrome (350242053).

The spelling of 120121032 in words is "one hundred twenty million, one hundred twenty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 161453 322906 484359 645812 968718 1291624 1937436 3874872 5005043 10010086 15015129 20020172 30030258 40040344 60060516 120121032