122776368 has 160 divisors (see below), whose sum is σ = 385308672. Its totient is φ = 33177600.

The previous prime is 122776351. The next prime is 122776387. The reversal of 122776368 is 863677221.

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 31 ways as a sum of consecutive naturals, for example, 212496 + ... + 213072.

Almost surely, 2^122776368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122776368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192654336).

122776368 is an abundant number, since it is smaller than the sum of its proper divisors (262532304).

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

122776368 is a wasteful number, since it uses less digits than its factorization.

122776368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 122776368 is about 11080.4498103642. The cubic root of 122776368 is about 497.0174009159.

The spelling of 122776368 in words is "one hundred twenty-two million, seven hundred seventy-six thousand, three hundred sixty-eight".