124105031 has 2 divisors, whose sum is σ = 124105032. Its totient is φ = 124105030.

The previous prime is 124105027. The next prime is 124105039. The reversal of 124105031 is 130501421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124105031 - 2² = 124105027 is a prime.

It is a super-2 number, since 2×124105031² = 30804117439021922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124105039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62052515 + 62052516.

It is an arithmetic number, because the mean of its divisors is an integer number (62052516).

Almost surely, 2^124105031 is an apocalyptic number.

124105031 is a deficient number, since it is larger than the sum of its proper divisors (1).

124105031 is an equidigital number, since it uses as much as digits as its factorization.

124105031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 124105031 is about 11140.2437585539. The cubic root of 124105031 is about 498.8038487262.

Adding to 124105031 its reverse (130501421), we get a palindrome (254606452).

The spelling of 124105031 in words is "one hundred twenty-four million, one hundred five thousand, thirty-one".