121032120 has 64 divisors (see below), whose sum is σ = 396109440. Its totient is φ = 29340800.

The previous prime is 121032101. The next prime is 121032133. The reversal of 121032120 is 21230121.

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 = 121032096 and 121032105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44526 + ... + 47165.

It is an arithmetic number, because the mean of its divisors is an integer number (6189210).

Almost surely, 2^121032120 is an apocalyptic number.

121032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032120 is an abundant number, since it is smaller than the sum of its proper divisors (275077320).

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

121032120 is a wasteful number, since it uses less digits than its factorization.

121032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91716 (or 91712 counting only the distinct ones).

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

The square root of 121032120 is about 11001.4599031219. The cubic root of 121032120 is about 494.6525058327.

Adding to 121032120 its reverse (21230121), we get a palindrome (142262241).

The spelling of 121032120 in words is "one hundred twenty-one million, thirty-two thousand, one hundred twenty".