126044601631 has 8 divisors (see below), whose sum is σ = 137265513840. Its totient is φ = 115041571392.

The previous prime is 126044601629. The next prime is 126044601649. The reversal of 126044601631 is 136106440621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126044601631 - 2¹ = 126044601629 is a prime.

It is a super-2 number, since 2×126044601631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126044611631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54469285 + ... + 54471598.

It is an arithmetic number, because the mean of its divisors is an integer number (17158189230).

Almost surely, 2^126044601631 is an apocalyptic number.

126044601631 is a deficient number, since it is larger than the sum of its proper divisors (11220912209).

126044601631 is a wasteful number, since it uses less digits than its factorization.

126044601631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108940985.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 126044601631 in words is "one hundred twenty-six billion, forty-four million, six hundred one thousand, six hundred thirty-one".