121042124 has 24 divisors (see below), whose sum is σ = 242716320. Its totient is φ = 51739776.

The previous prime is 121042111. The next prime is 121042139. The reversal of 121042124 is 421240121.

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, 5672 + ... + 16560.

It is an arithmetic number, because the mean of its divisors is an integer number (10113180).

Almost surely, 2^121042124 is an apocalyptic number.

121042124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121042124 is an abundant number, since it is smaller than the sum of its proper divisors (121674196).

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

121042124 is a wasteful number, since it uses less digits than its factorization.

121042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297 (or 11295 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121042124 is about 11001.9145606572. The cubic root of 121042124 is about 494.6661340809. Note that the first 3 decimals are identical.

Adding to 121042124 its reverse (421240121), we get a palindrome (542282245).

It can be divided in two parts, 1210 and 42124, that added together give a palindrome (43334).

The spelling of 121042124 in words is "one hundred twenty-one million, forty-two thousand, one hundred twenty-four".