126944501 has 4 divisors (see below), whose sum is σ = 127944192. Its totient is φ = 125944812.

The previous prime is 126944449. The next prime is 126944533. The reversal of 126944501 is 105449621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126944501 - 2⁶ = 126944437 is a prime.

It is a super-2 number, since 2×126944501² = 32229812668278002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126944401) 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 3 ways as a sum of consecutive naturals, for example, 499655 + ... + 499908.

It is an arithmetic number, because the mean of its divisors is an integer number (31986048).

Almost surely, 2^126944501 is an apocalyptic number.

It is an amenable number.

126944501 is a deficient number, since it is larger than the sum of its proper divisors (999691).

126944501 is an equidigital number, since it uses as much as digits as its factorization.

126944501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999690.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 126944501 is about 11266.9650305661. The cubic root of 126944501 is about 502.5793391388.

The spelling of 126944501 in words is "one hundred twenty-six million, nine hundred forty-four thousand, five hundred one".