122952159 has 12 divisors (see below), whose sum is σ = 193742952. Its totient is φ = 74516400.

The previous prime is 122952127. The next prime is 122952217. The reversal of 122952159 is 951259221.

It is a happy number.

122952159 is a `hidden beast` number, since 122 + 9 + 521 + 5 + 9 = 666.

It is not a de Polignac number, because 122952159 - 2⁵ = 122952127 is a prime.

It is a super-2 number, since 2×122952159² = 30234466805522562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122952259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620872 + ... + 621069.

It is an arithmetic number, because the mean of its divisors is an integer number (16145246).

Almost surely, 2^122952159 is an apocalyptic number.

122952159 is a deficient number, since it is larger than the sum of its proper divisors (70790793).

122952159 is a wasteful number, since it uses less digits than its factorization.

122952159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241958 (or 1241955 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 122952159 is about 11088.3794577927. The cubic root of 122952159 is about 497.2544973572.

The spelling of 122952159 in words is "one hundred twenty-two million, nine hundred fifty-two thousand, one hundred fifty-nine".