121072104 has 64 divisors (see below), whose sum is σ = 354024000. Its totient is φ = 38232000.

The previous prime is 121072099. The next prime is 121072151. The reversal of 121072104 is 401270121.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 10647 + ... + 18854.

It is an arithmetic number, because the mean of its divisors is an integer number (5531625).

Almost surely, 2^121072104 is an apocalyptic number.

It is an amenable number.

121072104 is an abundant number, since it is smaller than the sum of its proper divisors (232951896).

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

121072104 is a wasteful number, since it uses less digits than its factorization.

121072104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29535 (or 29525 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 121072104 is about 11003.2769664314. The cubic root of 121072104 is about 494.7069707362.

The spelling of 121072104 in words is "one hundred twenty-one million, seventy-two thousand, one hundred four".