122970872 has 8 divisors (see below), whose sum is σ = 230570400. Its totient is φ = 61485432.

The previous prime is 122970863. The next prime is 122970917. The reversal of 122970872 is 278079221.

It is a tau number, because it is divible by the number of its divisors (8).

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, 7685672 + ... + 7685687.

It is an arithmetic number, because the mean of its divisors is an integer number (28821300).

Almost surely, 2^122970872 is an apocalyptic number.

It is an amenable number.

122970872 is a deficient number, since it is larger than the sum of its proper divisors (107599528).

122970872 is a wasteful number, since it uses less digits than its factorization.

122970872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371365 (or 15371361 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 122970872 is about 11089.2232369991. The cubic root of 122970872 is about 497.2797230261.

The spelling of 122970872 in words is "one hundred twenty-two million, nine hundred seventy thousand, eight hundred seventy-two".