122477959 has 4 divisors (see below), whose sum is σ = 123601720. Its totient is φ = 121354200.

The previous prime is 122477951. The next prime is 122477963. The reversal of 122477959 is 959774221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122477959 - 2³ = 122477951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122477951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561717 + ... + 561934.

It is an arithmetic number, because the mean of its divisors is an integer number (30900430).

Almost surely, 2^122477959 is an apocalyptic number.

122477959 is a deficient number, since it is larger than the sum of its proper divisors (1123761).

122477959 is a wasteful number, since it uses less digits than its factorization.

122477959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123760.

The product of its digits is 317520, while the sum is 46.

The square root of 122477959 is about 11066.9760549122. The cubic root of 122477959 is about 496.6144059141.

The spelling of 122477959 in words is "one hundred twenty-two million, four hundred seventy-seven thousand, nine hundred fifty-nine".