124408931 has 2 divisors, whose sum is σ = 124408932. Its totient is φ = 124408930.

The previous prime is 124408913. The next prime is 124408943. The reversal of 124408931 is 139804421.

It is a happy number.

Together with previous prime (124408913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (139804421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124408931 is a prime.

It is a super-2 number, since 2×124408931² = 30955164225125522, which contains 22 as substring.

It is equal to p_7078460 and since 124408931 and 7078460 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (124408961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62204465 + 62204466.

It is an arithmetic number, because the mean of its divisors is an integer number (62204466).

Almost surely, 2^124408931 is an apocalyptic number.

124408931 is a deficient number, since it is larger than the sum of its proper divisors (1).

124408931 is an equidigital number, since it uses as much as digits as its factorization.

124408931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 124408931 is about 11153.8751561957. The cubic root of 124408931 is about 499.2106625485.

The spelling of 124408931 in words is "one hundred twenty-four million, four hundred eight thousand, nine hundred thirty-one".