126372747 has 32 divisors (see below), whose sum is σ = 182476800. Its totient is φ = 77511168.

The previous prime is 126372721. The next prime is 126372751. The reversal of 126372747 is 747273621.

It is not a de Polignac number, because 126372747 - 2⁶ = 126372683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126372767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705904 + ... + 706082.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^126372747 is an apocalyptic number.

126372747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

126372747 is a deficient number, since it is larger than the sum of its proper divisors (56104053).

126372747 is a wasteful number, since it uses less digits than its factorization.

126372747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its digits is 98784, while the sum is 39.

The square root of 126372747 is about 11241.5633699232. The cubic root of 126372747 is about 501.8236697041.

The spelling of 126372747 in words is "one hundred twenty-six million, three hundred seventy-two thousand, seven hundred forty-seven".