122765456 has 40 divisors (see below), whose sum is σ = 267863808. Its totient is φ = 54000000.

The previous prime is 122765453. The next prime is 122765491. The reversal of 122765456 is 654567221.

It is not an unprimeable number, because it can be changed into a prime (122765453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5795 + ... + 16706.

Almost surely, 2^122765456 is an apocalyptic number.

122765456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122765456 is an abundant number, since it is smaller than the sum of its proper divisors (145098352).

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

122765456 is a wasteful number, since it uses less digits than its factorization.

122765456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22551 (or 22545 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 122765456 is about 11079.9574006401. The cubic root of 122765456 is about 497.0026760014.

It can be divided in two parts, 12276 and 5456, that multiplied together give a square (66977856 = 8184²).

The spelling of 122765456 in words is "one hundred twenty-two million, seven hundred sixty-five thousand, four hundred fifty-six".