121031120 has 40 divisors (see below), whose sum is σ = 321598464. Its totient is φ = 41496192.

The previous prime is 121031117. The next prime is 121031147. The reversal of 121031120 is 21130121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107504 + ... + 108623.

Almost surely, 2^121031120 is an apocalyptic number.

121031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121031120 is an abundant number, since it is smaller than the sum of its proper divisors (200567344).

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

121031120 is a wasteful number, since it uses less digits than its factorization.

121031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216147 (or 216141 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121031120 is about 11001.4144545145. The cubic root of 121031120 is about 494.6511435115.

Adding to 121031120 its reverse (21130121), we get a palindrome (142161241).

Subtracting from 121031120 its reverse (21130121), we obtain a palindrome (99900999).

The spelling of 121031120 in words is "one hundred twenty-one million, thirty-one thousand, one hundred twenty".