126267501 has 4 divisors (see below), whose sum is σ = 168356672. Its totient is φ = 84178332.

The previous prime is 126267487. The next prime is 126267503. The reversal of 126267501 is 105762621.

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 not a de Polignac number, because 126267501 - 2⁵ = 126267469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126267503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21044581 + ... + 21044586.

It is an arithmetic number, because the mean of its divisors is an integer number (42089168).

Almost surely, 2^126267501 is an apocalyptic number.

It is an amenable number.

126267501 is a deficient number, since it is larger than the sum of its proper divisors (42089171).

126267501 is an equidigital number, since it uses as much as digits as its factorization.

126267501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42089170.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 126267501 is about 11236.8812844134. The cubic root of 126267501 is about 501.6843210872.

The spelling of 126267501 in words is "one hundred twenty-six million, two hundred sixty-seven thousand, five hundred one".