126261623 has 8 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 124122168.

The previous prime is 126261617. The next prime is 126261637. The reversal of 126261623 is 326162621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126261623 - 2⁴ = 126261607 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 (126261683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (16052400).

Almost surely, 2^126261623 is an apocalyptic number.

126261623 is a deficient number, since it is larger than the sum of its proper divisors (2157577).

126261623 is a wasteful number, since it uses less digits than its factorization.

126261623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061.

The product of its digits is 5184, while the sum is 29.

The square root of 126261623 is about 11236.6197319301. The cubic root of 126261623 is about 501.6765361698.

The spelling of 126261623 in words is "one hundred twenty-six million, two hundred sixty-one thousand, six hundred twenty-three".