124390171 has 2 divisors, whose sum is σ = 124390172. Its totient is φ = 124390170.

The previous prime is 124390159. The next prime is 124390177. The reversal of 124390171 is 171093421.

It is a strong prime.

It is an emirp because it is prime and its reverse (171093421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124390171 - 2¹¹ = 124388123 is a prime.

It is not a weakly prime, because it can be changed into another prime (124390177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62195085 + 62195086.

It is an arithmetic number, because the mean of its divisors is an integer number (62195086).

Almost surely, 2^124390171 is an apocalyptic number.

124390171 is a deficient number, since it is larger than the sum of its proper divisors (1).

124390171 is an equidigital number, since it uses as much as digits as its factorization.

124390171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 124390171 is about 11153.0341611599. The cubic root of 124390171 is about 499.1855687906.

The spelling of 124390171 in words is "one hundred twenty-four million, three hundred ninety thousand, one hundred seventy-one".