126620432 has 10 divisors (see below), whose sum is σ = 245327118. Its totient is φ = 63310208.

The previous prime is 126620411. The next prime is 126620441. The reversal of 126620432 is 234026621.

It can be written as a sum of positive squares in only one way, i.e., 66650896 + 59969536 = 8164^2 + 7744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3956873 + ... + 3956904.

Almost surely, 2^126620432 is an apocalyptic number.

It is an amenable number.

126620432 is a deficient number, since it is larger than the sum of its proper divisors (118706686).

126620432 is an equidigital number, since it uses as much as digits as its factorization.

126620432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913785 (or 7913779 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 126620432 is about 11252.5744609845. The cubic root of 126620432 is about 502.1513064855.

The spelling of 126620432 in words is "one hundred twenty-six million, six hundred twenty thousand, four hundred thirty-two".