122974159 has 8 divisors (see below), whose sum is σ = 153318528. Its totient is φ = 95823960.

The previous prime is 122974153. The next prime is 122974177. The reversal of 122974159 is 951479221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122974159 - 2¹⁷ = 122843087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122974153) 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, 798457 + ... + 798610.

It is an arithmetic number, because the mean of its divisors is an integer number (19164816).

Almost surely, 2^122974159 is an apocalyptic number.

122974159 is a deficient number, since it is larger than the sum of its proper divisors (30344369).

122974159 is a wasteful number, since it uses less digits than its factorization.

122974159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597085.

The product of its digits is 45360, while the sum is 40.

The square root of 122974159 is about 11089.3714429629. The cubic root of 122974159 is about 497.2841537336.

The spelling of 122974159 in words is "one hundred twenty-two million, nine hundred seventy-four thousand, one hundred fifty-nine".