122395864 has 8 divisors (see below), whose sum is σ = 229492260. Its totient is φ = 61197928.

The previous prime is 122395859. The next prime is 122395877. The reversal of 122395864 is 468593221.

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, 7649734 + ... + 7649749.

Almost surely, 2^122395864 is an apocalyptic number.

It is an amenable number.

122395864 is a deficient number, since it is larger than the sum of its proper divisors (107096396).

122395864 is a wasteful number, since it uses less digits than its factorization.

122395864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15299489 (or 15299485 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 122395864 is about 11063.2664254279. The cubic root of 122395864 is about 496.5034235723.

The spelling of 122395864 in words is "one hundred twenty-two million, three hundred ninety-five thousand, eight hundred sixty-four".