126115393 has 4 divisors (see below), whose sum is σ = 126152640. Its totient is φ = 126078148.

The previous prime is 126115357. The next prime is 126115397. The reversal of 126115393 is 393511621.

It is a happy number.

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 126115393 - 2²⁵ = 92560961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126115397) 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, 12973 + ... + 20506.

It is an arithmetic number, because the mean of its divisors is an integer number (31538160).

Almost surely, 2^126115393 is an apocalyptic number.

It is an amenable number.

126115393 is a deficient number, since it is larger than the sum of its proper divisors (37247).

126115393 is an equidigital number, since it uses as much as digits as its factorization.

126115393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37246.

The product of its digits is 4860, while the sum is 31.

The square root of 126115393 is about 11230.1109967800. The cubic root of 126115393 is about 501.4827889934.

The spelling of 126115393 in words is "one hundred twenty-six million, one hundred fifteen thousand, three hundred ninety-three".