126722432 has 32 divisors (see below), whose sum is σ = 253341480. Its totient is φ = 63138816.

The previous prime is 126722429. The next prime is 126722441. The reversal of 126722432 is 234227621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 126722395 and 126722404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38483 + ... + 41645.

Almost surely, 2^126722432 is an apocalyptic number.

It is an amenable number.

126722432 is a deficient number, since it is larger than the sum of its proper divisors (126619048).

126722432 is an equidigital number, since it uses as much as digits as its factorization.

126722432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490 (or 3478 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 126722432 is about 11257.1058447542. The cubic root of 126722432 is about 502.2861074946.

The spelling of 126722432 in words is "one hundred twenty-six million, seven hundred twenty-two thousand, four hundred thirty-two".