124942291 has 2 divisors, whose sum is σ = 124942292. Its totient is φ = 124942290.

The previous prime is 124942261. The next prime is 124942297. The reversal of 124942291 is 192249421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124942291 - 2²⁵ = 91387859 is a prime.

It is a super-2 number, since 2×124942291² = 31221152160657362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124942297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62471145 + 62471146.

It is an arithmetic number, because the mean of its divisors is an integer number (62471146).

Almost surely, 2^124942291 is an apocalyptic number.

124942291 is a deficient number, since it is larger than the sum of its proper divisors (1).

124942291 is an equidigital number, since it uses as much as digits as its factorization.

124942291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 124942291 is about 11177.7587646182. The cubic root of 124942291 is about 499.9230428225.

The spelling of 124942291 in words is "one hundred twenty-four million, nine hundred forty-two thousand, two hundred ninety-one".