626132121 has 16 divisors (see below), whose sum is σ = 854260800. Its totient is φ = 407805120.

The previous prime is 626132119. The next prime is 626132179. The reversal of 626132121 is 121231626.

It is not a de Polignac number, because 626132121 - 2¹ = 626132119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626132091 and 626132100.

It is not an unprimeable number, because it can be changed into a prime (626132191) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15786 + ... + 38748.

It is an arithmetic number, because the mean of its divisors is an integer number (53391300).

Almost surely, 2^626132121 is an apocalyptic number.

626132121 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

626132121 is a deficient number, since it is larger than the sum of its proper divisors (228128679).

626132121 is a wasteful number, since it uses less digits than its factorization.

626132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176.

The product of its digits is 864, while the sum is 24.

The square root of 626132121 is about 25022.6321756925. The cubic root of 626132121 is about 855.5039018614.

Adding to 626132121 its reverse (121231626), we get a palindrome (747363747).

The spelling of 626132121 in words is "six hundred twenty-six million, one hundred thirty-two thousand, one hundred twenty-one".