621026122 has 16 divisors (see below), whose sum is σ = 950382720. Its totient is φ = 304247632.

The previous prime is 621026113. The next prime is 621026143. The reversal of 621026122 is 221620126.

It is a junction number, because it is equal to n+sod(n) for n = 621026093 and 621026102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85443 + ... + 92425.

It is an arithmetic number, because the mean of its divisors is an integer number (59398920).

Almost surely, 2^621026122 is an apocalyptic number.

621026122 is a deficient number, since it is larger than the sum of its proper divisors (329356598).

621026122 is a wasteful number, since it uses less digits than its factorization.

621026122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 621026122 is about 24920.3957031184. The cubic root of 621026122 is about 853.1720563470.

Adding to 621026122 its reverse (221620126), we get a palindrome (842646248).

The spelling of 621026122 in words is "six hundred twenty-one million, twenty-six thousand, one hundred twenty-two".