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121032020 = 2256051601
BaseRepresentation
bin1110011011011…
…00110101010100
322102202001201102
413031230311110
5221441011040
620002045232
72666520014
oct715546524
9272661642
10121032020
116235716a
1234649818
131c0c88a5
1412107c44
15a95b515
hex736cd54

121032020 has 12 divisors (see below), whose sum is σ = 254167284. Its totient is φ = 48412800.

The previous prime is 121032017. The next prime is 121032047. The reversal of 121032020 is 20230121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96786244 + 24245776 = 9838^2 + 4924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121031992 and 121032010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025781 + ... + 3025820.

It is an arithmetic number, because the mean of its divisors is an integer number (21180607).

Almost surely, 2121032020 is an apocalyptic number.

121032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032020 is an abundant number, since it is smaller than the sum of its proper divisors (133135264).

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

121032020 is a wasteful number, since it uses less digits than its factorization.

121032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051610 (or 6051608 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121032020 is about 11001.4553582697. The cubic root of 121032020 is about 494.6523696009.

Adding to 121032020 its reverse (20230121), we get a palindrome (141262141).

It can be divided in two parts, 1210320 and 20, that multiplied together give a square (24206400 = 49202).

The spelling of 121032020 in words is "one hundred twenty-one million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 6051601 12103202 24206404 30258005 60516010 121032020