126815232 has 44 divisors (see below), whose sum is σ = 338017016. Its totient is φ = 42270720.

The previous prime is 126815209. The next prime is 126815233. The reversal of 126815232 is 232518621.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 126815232.

It is not an unprimeable number, because it can be changed into a prime (126815233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17569 + ... + 23712.

Almost surely, 2^126815232 is an apocalyptic number.

126815232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126815232 is an abundant number, since it is smaller than the sum of its proper divisors (211201784).

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

126815232 is an equidigital number, since it uses as much as digits as its factorization.

126815232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41304 (or 41286 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 126815232 is about 11261.2269313783. The cubic root of 126815232 is about 502.4086871529.

The spelling of 126815232 in words is "one hundred twenty-six million, eight hundred fifteen thousand, two hundred thirty-two".