122605566 has 32 divisors (see below), whose sum is σ = 248071680. Its totient is φ = 40395264.

The previous prime is 122605541. The next prime is 122605573. The reversal of 122605566 is 665506221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276541 + ... + 276983.

It is an arithmetic number, because the mean of its divisors is an integer number (7752240).

Almost surely, 2^122605566 is an apocalyptic number.

122605566 is an abundant number, since it is smaller than the sum of its proper divisors (125466114).

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

122605566 is a wasteful number, since it uses less digits than its factorization.

122605566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 122605566 is about 11072.7397693615. The cubic root of 122605566 is about 496.7868164694.

The spelling of 122605566 in words is "one hundred twenty-two million, six hundred five thousand, five hundred sixty-six".