122764231 has 4 divisors (see below), whose sum is σ = 123346264. Its totient is φ = 122182200.

The previous prime is 122764219. The next prime is 122764237. The reversal of 122764231 is 132467221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132467221 = 19 ⋅6971959.

It is a cyclic number.

It is not a de Polignac number, because 122764231 - 2⁵ = 122764199 is a prime.

It is a super-2 number, since 2×122764231² = 30142112826042722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122764231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122764237) 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, 290700 + ... + 291121.

It is an arithmetic number, because the mean of its divisors is an integer number (30836566).

Almost surely, 2^122764231 is an apocalyptic number.

122764231 is a deficient number, since it is larger than the sum of its proper divisors (582033).

122764231 is an equidigital number, since it uses as much as digits as its factorization.

122764231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582032.

The product of its digits is 4032, while the sum is 28.

The square root of 122764231 is about 11079.9021205063. The cubic root of 122764231 is about 497.0010229026.

The spelling of 122764231 in words is "one hundred twenty-two million, seven hundred sixty-four thousand, two hundred thirty-one".