122964778 has 16 divisors (see below), whose sum is σ = 189224640. Its totient is φ = 59897376.

The previous prime is 122964763. The next prime is 122964797. The reversal of 122964778 is 877469221.

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 7 ways as a sum of consecutive naturals, for example, 36126 + ... + 39382.

It is an arithmetic number, because the mean of its divisors is an integer number (11826540).

Almost surely, 2^122964778 is an apocalyptic number.

122964778 is a deficient number, since it is larger than the sum of its proper divisors (66259862).

122964778 is a wasteful number, since it uses less digits than its factorization.

122964778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741.

The product of its digits is 338688, while the sum is 46.

The square root of 122964778 is about 11088.9484623205. The cubic root of 122964778 is about 497.2715084176.

The spelling of 122964778 in words is "one hundred twenty-two million, nine hundred sixty-four thousand, seven hundred seventy-eight".