124171393 has 4 divisors (see below), whose sum is σ = 124271280. Its totient is φ = 124071508.

The previous prime is 124171381. The next prime is 124171409. The reversal of 124171393 is 393171421.

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 124171393 - 2²⁵ = 90616961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124171303) 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 3 ways as a sum of consecutive naturals, for example, 48055 + ... + 50572.

It is an arithmetic number, because the mean of its divisors is an integer number (31067820).

Almost surely, 2^124171393 is an apocalyptic number.

It is an amenable number.

124171393 is a deficient number, since it is larger than the sum of its proper divisors (99887).

124171393 is an equidigital number, since it uses as much as digits as its factorization.

124171393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99886.

The product of its digits is 4536, while the sum is 31.

The square root of 124171393 is about 11143.2218411014. The cubic root of 124171393 is about 498.8927404292.

The spelling of 124171393 in words is "one hundred twenty-four million, one hundred seventy-one thousand, three hundred ninety-three".