126425524621 has 64 divisors (see below), whose sum is σ = 149683645440. Its totient is φ = 105670656000.

The previous prime is 126425524609. The next prime is 126425524637.

126425524621 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 126425524621 - 2⁷ = 126425524493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126425524681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187853341 + ... + 187854013.

It is an arithmetic number, because the mean of its divisors is an integer number (2338806960).

Almost surely, 2^126425524621 is an apocalyptic number.

126425524621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126425524621 is a deficient number, since it is larger than the sum of its proper divisors (23258120819).

126425524621 is a wasteful number, since it uses less digits than its factorization.

126425524621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its digits is 230400, while the sum is 40.

The spelling of 126425524621 in words is "one hundred twenty-six billion, four hundred twenty-five million, five hundred twenty-four thousand, six hundred twenty-one".