126332631 has 12 divisors (see below), whose sum is σ = 182716560. Its totient is φ = 84112800.

The previous prime is 126332621. The next prime is 126332639. The reversal of 126332631 is 136233621.

It is a happy number.

126332631 is a `hidden beast` number, since 1 + 2 + 633 + 26 + 3 + 1 = 666.

It is not a de Polignac number, because 126332631 - 2¹⁵ = 126299863 is a prime.

It is a super-2 number, since 2×126332631² = 31919867310764322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126332595 and 126332604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126332639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1395 + ... + 15956.

It is an arithmetic number, because the mean of its divisors is an integer number (15226380).

Almost surely, 2^126332631 is an apocalyptic number.

126332631 is a deficient number, since it is larger than the sum of its proper divisors (56383929).

126332631 is a wasteful number, since it uses less digits than its factorization.

126332631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18166 (or 18163 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 126332631 is about 11239.7789569012. The cubic root of 126332631 is about 501.7705641379.

The spelling of 126332631 in words is "one hundred twenty-six million, three hundred thirty-two thousand, six hundred thirty-one".