122603979 has 8 divisors (see below), whose sum is σ = 172075840. Its totient is φ = 77434056.

The previous prime is 122603951. The next prime is 122603989. The reversal of 122603979 is 979306221.

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

It is not a de Polignac number, because 122603979 - 2²⁰ = 121555403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122603989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075417 + ... + 1075530.

It is an arithmetic number, because the mean of its divisors is an integer number (21509480).

Almost surely, 2^122603979 is an apocalyptic number.

122603979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122603979 is a deficient number, since it is larger than the sum of its proper divisors (49471861).

122603979 is a wasteful number, since it uses less digits than its factorization.

122603979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150969.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 122603979 is about 11072.6681066489. The cubic root of 122603979 is about 496.7846729994.

The spelling of 122603979 in words is "one hundred twenty-two million, six hundred three thousand, nine hundred seventy-nine".