122015928 has 32 divisors (see below), whose sum is σ = 305318160. Its totient is φ = 40634880.

The previous prime is 122015917. The next prime is 122015939. The reversal of 122015928 is 829510221.

It is an interprime number because it is at equal distance from previous prime (122015917) and next prime (122015939).

It is a junction number, because it is equal to n+sod(n) for n = 122015895 and 122015904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41218 + ... + 44078.

Almost surely, 2^122015928 is an apocalyptic number.

It is an amenable number.

122015928 is an abundant number, since it is smaller than the sum of its proper divisors (183302232).

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

122015928 is a wasteful number, since it uses less digits than its factorization.

122015928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 122015928 is about 11046.0820203364. The cubic root of 122015928 is about 495.9891495198.

The spelling of 122015928 in words is "one hundred twenty-two million, fifteen thousand, nine hundred twenty-eight".