122653131 has 4 divisors (see below), whose sum is σ = 163537512. Its totient is φ = 81768752.

The previous prime is 122653129. The next prime is 122653169. The reversal of 122653131 is 131356221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131356221 = 3 ⋅43785407.

It is a cyclic number.

It is not a de Polignac number, because 122653131 - 2¹ = 122653129 is a prime.

It is a super-2 number, since 2×122653131² = 30087581088206322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122658131) 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, 20442186 + ... + 20442191.

It is an arithmetic number, because the mean of its divisors is an integer number (40884378).

Almost surely, 2^122653131 is an apocalyptic number.

122653131 is a deficient number, since it is larger than the sum of its proper divisors (40884381).

122653131 is an equidigital number, since it uses as much as digits as its factorization.

122653131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40884380.

The product of its digits is 1080, while the sum is 24.

The square root of 122653131 is about 11074.8874034908. The cubic root of 122653131 is about 496.8510512091.

The spelling of 122653131 in words is "one hundred twenty-two million, six hundred fifty-three thousand, one hundred thirty-one".