122764455 has 96 divisors (see below), whose sum is σ = 249080832. Its totient is φ = 55334400.

The previous prime is 122764403. The next prime is 122764459. The reversal of 122764455 is 554467221.

It is a happy number.

122764455 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 644 + 5 + 5 = 666.

It is not a de Polignac number, because 122764455 - 2⁸ = 122764199 is a prime.

It is a super-2 number, since 2×122764455² = 30142222822894050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122764459) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 466654 + ... + 466916.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 2^122764455 is an apocalyptic number.

122764455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122764455 is an abundant number, since it is smaller than the sum of its proper divisors (126316377).

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

122764455 is a wasteful number, since it uses less digits than its factorization.

122764455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 122764455 is about 11079.9122288942. The cubic root of 122764455 is about 497.0013251843.

The spelling of 122764455 in words is "one hundred twenty-two million, seven hundred sixty-four thousand, four hundred fifty-five".