126634530 has 64 divisors (see below), whose sum is σ = 351070848. Its totient is φ = 28892160.

The previous prime is 126634523. The next prime is 126634531. The reversal of 126634530 is 35436621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (126634531) 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, 5677 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (5485482).

Almost surely, 2^126634530 is an apocalyptic number.

126634530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126634530 is an abundant number, since it is smaller than the sum of its proper divisors (224436318).

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

126634530 is a wasteful number, since it uses less digits than its factorization.

126634530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 126634530 is about 11253.2008779725. The cubic root of 126634530 is about 502.1699424099.

The spelling of 126634530 in words is "one hundred twenty-six million, six hundred thirty-four thousand, five hundred thirty".