126264631 has 4 divisors (see below), whose sum is σ = 126970200. Its totient is φ = 125559064.

The previous prime is 126264617. The next prime is 126264689. The reversal of 126264631 is 136462621.

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 126264631 - 2¹¹ = 126262583 is a prime.

It is a super-2 number, since 2×126264631² = 31885514083132322, 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 = 126264593 and 126264602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126264431) 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, 352516 + ... + 352873.

It is an arithmetic number, because the mean of its divisors is an integer number (31742550).

Almost surely, 2^126264631 is an apocalyptic number.

126264631 is a deficient number, since it is larger than the sum of its proper divisors (705569).

126264631 is an equidigital number, since it uses as much as digits as its factorization.

126264631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705568.

The product of its digits is 10368, while the sum is 31.

The square root of 126264631 is about 11236.7535792150. The cubic root of 126264631 is about 501.6805200434.

The spelling of 126264631 in words is "one hundred twenty-six million, two hundred sixty-four thousand, six hundred thirty-one".