126251464152621 has 16 divisors (see below), whose sum is σ = 173839937886720. Its totient is φ = 81417644151360.

The previous prime is 126251464152563. The next prime is 126251464152641.

126251464152621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126251464152621 - 2¹¹ = 126251464150573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126251464152641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290726586 + ... + 291160523.

It is an arithmetic number, because the mean of its divisors is an integer number (10864996117920).

Almost surely, 2^{126251464152621} is an apocalyptic number.

It is an amenable number.

126251464152621 is a deficient number, since it is larger than the sum of its proper divisors (47588473734099).

126251464152621 is a wasteful number, since it uses less digits than its factorization.

126251464152621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581889476.

The product of its digits is 1382400, while the sum is 48.

The spelling of 126251464152621 in words is "one hundred twenty-six trillion, two hundred fifty-one billion, four hundred sixty-four million, one hundred fifty-two thousand, six hundred twenty-one".