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120121332 = 22358717053
BaseRepresentation
bin1110010100011…
…10011111110100
322101000210111020
413022032133310
5221222340312
615530341140
72656004652
oct712163764
9271023436
10120121332
1161894a31
123428a7b0
131bb6a216
1411d4bdd2
15a82b78c
hex728e7f4

120121332 has 24 divisors (see below), whose sum is σ = 280777056. Its totient is φ = 39969888.

The previous prime is 120121319. The next prime is 120121333. The reversal of 120121332 is 233121021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483 + ... + 15570.

It is an arithmetic number, because the mean of its divisors is an integer number (11699044).

Almost surely, 2120121332 is an apocalyptic number.

120121332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120121332 is an abundant number, since it is smaller than the sum of its proper divisors (160655724).

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

120121332 is a wasteful number, since it uses less digits than its factorization.

120121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17647 (or 17645 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120121332 is about 10959.9877737158. The cubic root of 120121332 is about 493.4085980046.

Adding to 120121332 its reverse (233121021), we get a palindrome (353242353).

The spelling of 120121332 in words is "one hundred twenty million, one hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 587 1174 1761 2348 3522 7044 17053 34106 51159 68212 102318 204636 10010111 20020222 30030333 40040444 60060666 120121332