121072604 has 6 divisors (see below), whose sum is σ = 211877064. Its totient is φ = 60536300.

The previous prime is 121072561. The next prime is 121072619. The reversal of 121072604 is 406270121.

It is a self number, because there is not a number n which added to its sum of digits gives 121072604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15134072 + ... + 15134079.

It is an arithmetic number, because the mean of its divisors is an integer number (35312844).

Almost surely, 2^121072604 is an apocalyptic number.

It is an amenable number.

121072604 is a deficient number, since it is larger than the sum of its proper divisors (90804460).

121072604 is a wasteful number, since it uses less digits than its factorization.

121072604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30268155 (or 30268153 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 121072604 is about 11003.2996869121. The cubic root of 121072604 is about 494.7076517440.

The spelling of 121072604 in words is "one hundred twenty-one million, seventy-two thousand, six hundred four".