122561016 has 32 divisors (see below), whose sum is σ = 312186960. Its totient is φ = 40082432.

The previous prime is 122561009. The next prime is 122561027. The reversal of 122561016 is 610165221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46905 + ... + 49448.

Almost surely, 2^122561016 is an apocalyptic number.

It is an amenable number.

122561016 is an abundant number, since it is smaller than the sum of its proper divisors (189625944).

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

122561016 is a wasteful number, since it uses less digits than its factorization.

122561016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96415 (or 96411 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 122561016 is about 11070.7278893486. The cubic root of 122561016 is about 496.7266383047.

The spelling of 122561016 in words is "one hundred twenty-two million, five hundred sixty-one thousand, sixteen".