126161593 has 8 divisors (see below), whose sum is σ = 128107616. Its totient is φ = 124221600.

The previous prime is 126161579. The next prime is 126161617. The reversal of 126161593 is 395161621.

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 126161593 - 2⁵ = 126161561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126161093) 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 7 ways as a sum of consecutive naturals, for example, 58138 + ... + 60268.

It is an arithmetic number, because the mean of its divisors is an integer number (16013452).

Almost surely, 2^126161593 is an apocalyptic number.

It is an amenable number.

126161593 is a deficient number, since it is larger than the sum of its proper divisors (1946023).

126161593 is an equidigital number, since it uses as much as digits as its factorization.

126161593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015.

The product of its digits is 9720, while the sum is 34.

The square root of 126161593 is about 11232.1677783053. The cubic root of 126161593 is about 501.5440177770.

The spelling of 126161593 in words is "one hundred twenty-six million, one hundred sixty-one thousand, five hundred ninety-three".