122600978 has 8 divisors (see below), whose sum is σ = 187371468. Its totient is φ = 60143824.

The previous prime is 122600963. The next prime is 122600983. The reversal of 122600978 is 879006221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109977169 + 12623809 = 10487^2 + 3553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 578201 + ... + 578412.

Almost surely, 2^122600978 is an apocalyptic number.

122600978 is a deficient number, since it is larger than the sum of its proper divisors (64770490).

122600978 is a wasteful number, since it uses less digits than its factorization.

122600978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156668.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 122600978 is about 11072.5325919593. The cubic root of 122600978 is about 496.7806196699.

The spelling of 122600978 in words is "one hundred twenty-two million, six hundred thousand, nine hundred seventy-eight".