122931263 has 8 divisors (see below), whose sum is σ = 151300128. Its totient is φ = 97264224.

The previous prime is 122931257. The next prime is 122931269. The reversal of 122931263 is 362139221.

It is an interprime number because it is at equal distance from previous prime (122931257) and next prime (122931269).

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 122931263 - 2²⁰ = 121882687 is a prime.

It is a super-2 number, since 2×122931263² = 30224190845550338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122931269) 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, 675356 + ... + 675537.

It is an arithmetic number, because the mean of its divisors is an integer number (18912516).

Almost surely, 2^122931263 is an apocalyptic number.

122931263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122931263 is a deficient number, since it is larger than the sum of its proper divisors (28368865).

122931263 is a wasteful number, since it uses less digits than its factorization.

122931263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350913.

The product of its digits is 3888, while the sum is 29.

The square root of 122931263 is about 11087.4371700587. The cubic root of 122931263 is about 497.2263259156.

The spelling of 122931263 in words is "one hundred twenty-two million, nine hundred thirty-one thousand, two hundred sixty-three".