126181632 has 36 divisors (see below), whose sum is σ = 335829200. Its totient is φ = 42060288.

The previous prime is 126181621. The next prime is 126181669. The reversal of 126181632 is 236181621.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 126181632.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81382 + ... + 82917.

Almost surely, 2^126181632 is an apocalyptic number.

126181632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126181632 is an abundant number, since it is smaller than the sum of its proper divisors (209647568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126181632 is an equidigital number, since it uses as much as digits as its factorization.

126181632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164318 (or 164304 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 126181632 is about 11233.0597790629. The cubic root of 126181632 is about 501.5705707827.

The spelling of 126181632 in words is "one hundred twenty-six million, one hundred eighty-one thousand, six hundred thirty-two".