121176138 has 16 divisors (see below), whose sum is σ = 242465760. Its totient is φ = 40373136.

The previous prime is 121176127. The next prime is 121176151. The reversal of 121176138 is 831671121.

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, 16456 + ... + 22652.

It is an arithmetic number, because the mean of its divisors is an integer number (15154110).

Almost surely, 2^121176138 is an apocalyptic number.

121176138 is an abundant number, since it is smaller than the sum of its proper divisors (121289622).

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

121176138 is a wasteful number, since it uses less digits than its factorization.

121176138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461.

The product of its digits is 2016, while the sum is 30.

The square root of 121176138 is about 11008.0033611913. The cubic root of 121176138 is about 494.8486262982.

The spelling of 121176138 in words is "one hundred twenty-one million, one hundred seventy-six thousand, one hundred thirty-eight".