122562816 has 72 divisors (see below), whose sum is σ = 337505280. Its totient is φ = 39438336.

The previous prime is 122562773. The next prime is 122562821. The reversal of 122562816 is 618265221.

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, 19521 + ... + 25023.

Almost surely, 2^122562816 is an apocalyptic number.

122562816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122562816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168752640).

122562816 is an abundant number, since it is smaller than the sum of its proper divisors (214942464).

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

122562816 is an equidigital number, since it uses as much as digits as its factorization.

122562816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551 (or 5537 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 122562816 is about 11070.8091845176. The cubic root of 122562816 is about 496.7290700284.

The spelling of 122562816 in words is "one hundred twenty-two million, five hundred sixty-two thousand, eight hundred sixteen".