126626541 has 4 divisors (see below), whose sum is σ = 168835392. Its totient is φ = 84417692.

The previous prime is 126626527. The next prime is 126626561. The reversal of 126626541 is 145626621.

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 126626541 - 2²⁶ = 59517677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126626501) 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, 21104421 + ... + 21104426.

It is an arithmetic number, because the mean of its divisors is an integer number (42208848).

Almost surely, 2^126626541 is an apocalyptic number.

It is an amenable number.

126626541 is a deficient number, since it is larger than the sum of its proper divisors (42208851).

126626541 is an equidigital number, since it uses as much as digits as its factorization.

126626541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42208850.

The product of its digits is 17280, while the sum is 33.

The square root of 126626541 is about 11252.8459067029. The cubic root of 126626541 is about 502.1593820463.

The spelling of 126626541 in words is "one hundred twenty-six million, six hundred twenty-six thousand, five hundred forty-one".