122478764 has 12 divisors (see below), whose sum is σ = 214752888. Its totient is φ = 61120800.

The previous prime is 122478751. The next prime is 122478773. The reversal of 122478764 is 467874221.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 27302 + ... + 31469.

It is an arithmetic number, because the mean of its divisors is an integer number (17896074).

Almost surely, 2^122478764 is an apocalyptic number.

It is an amenable number.

122478764 is a deficient number, since it is larger than the sum of its proper divisors (92274124).

122478764 is a wasteful number, since it uses less digits than its factorization.

122478764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59296 (or 59294 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 122478764 is about 11067.0124243176. The cubic root of 122478764 is about 496.6154939295.

The spelling of 122478764 in words is "one hundred twenty-two million, four hundred seventy-eight thousand, seven hundred sixty-four".