126630402 has 64 divisors (see below), whose sum is σ = 276134400. Its totient is φ = 38586240.

The previous prime is 126630401. The next prime is 126630419. The reversal of 126630402 is 204036621.

It is not an unprimeable number, because it can be changed into a prime (126630401) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 450502 + ... + 450782.

It is an arithmetic number, because the mean of its divisors is an integer number (4314600).

Almost surely, 2^126630402 is an apocalyptic number.

126630402 is an abundant number, since it is smaller than the sum of its proper divisors (149503998).

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

126630402 is a wasteful number, since it uses less digits than its factorization.

126630402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 126630402 is about 11253.0174619966. The cubic root of 126630402 is about 502.1644858148.

The spelling of 126630402 in words is "one hundred twenty-six million, six hundred thirty thousand, four hundred two".