122621627 has 4 divisors (see below), whose sum is σ = 124099080. Its totient is φ = 121144176.

The previous prime is 122621593. The next prime is 122621641. The reversal of 122621627 is 726126221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122621627 - 2²⁰ = 121573051 is a prime.

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 122621627.

It is not an unprimeable number, because it can be changed into a prime (122621227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738602 + ... + 738767.

It is an arithmetic number, because the mean of its divisors is an integer number (31024770).

Almost surely, 2^122621627 is an apocalyptic number.

122621627 is a deficient number, since it is larger than the sum of its proper divisors (1477453).

122621627 is an equidigital number, since it uses as much as digits as its factorization.

122621627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477452.

The product of its digits is 4032, while the sum is 29.

The square root of 122621627 is about 11073.4649952036. The cubic root of 122621627 is about 496.8085081020.

Adding to 122621627 its reverse (726126221), we get a palindrome (848747848).

The spelling of 122621627 in words is "one hundred twenty-two million, six hundred twenty-one thousand, six hundred twenty-seven".