122764955 has 4 divisors (see below), whose sum is σ = 147317952. Its totient is φ = 98211960.

The previous prime is 122764937. The next prime is 122765009. The reversal of 122764955 is 559467221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559467221 = 523 ⋅1069727.

It is a de Polignac number, because none of the positive numbers 2^k-122764955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12276491 + ... + 12276500.

It is an arithmetic number, because the mean of its divisors is an integer number (36829488).

Almost surely, 2^122764955 is an apocalyptic number.

122764955 is a deficient number, since it is larger than the sum of its proper divisors (24552997).

122764955 is an equidigital number, since it uses as much as digits as its factorization.

122764955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24552996.

The product of its digits is 151200, while the sum is 41.

The square root of 122764955 is about 11079.9347922269. The cubic root of 122764955 is about 497.0019999191.

The spelling of 122764955 in words is "one hundred twenty-two million, seven hundred sixty-four thousand, nine hundred fifty-five".