122764531 has 8 divisors (see below), whose sum is σ = 130496400. Its totient is φ = 115089408.

The previous prime is 122764459. The next prime is 122764541. The reversal of 122764531 is 135467221.

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 122764531 - 2⁷ = 122764403 is a prime.

It is a super-2 number, since 2×122764531² = 30142260143299922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122764493 and 122764502.

It is not an unprimeable number, because it can be changed into a prime (122764541) 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, 9681 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (16312050).

Almost surely, 2^122764531 is an apocalyptic number.

122764531 is a deficient number, since it is larger than the sum of its proper divisors (7731869).

122764531 is a wasteful number, since it uses less digits than its factorization.

122764531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28373.

The product of its digits is 10080, while the sum is 31.

The square root of 122764531 is about 11079.9156585238. The cubic root of 122764531 is about 497.0014277441.

It can be divided in two parts, 12276 and 4531, that added together give a 5-th power (16807 = 7⁵).

The spelling of 122764531 in words is "one hundred twenty-two million, seven hundred sixty-four thousand, five hundred thirty-one".