124531031 has 2 divisors, whose sum is σ = 124531032. Its totient is φ = 124531030.

The previous prime is 124531027. The next prime is 124531049. The reversal of 124531031 is 130135421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124531031 - 2² = 124531027 is a prime.

It is a super-2 number, since 2×124531031² = 31015955363845922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124530994 and 124531012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124534031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62265515 + 62265516.

It is an arithmetic number, because the mean of its divisors is an integer number (62265516).

Almost surely, 2^124531031 is an apocalyptic number.

124531031 is a deficient number, since it is larger than the sum of its proper divisors (1).

124531031 is an equidigital number, since it uses as much as digits as its factorization.

124531031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 124531031 is about 11159.3472479352. The cubic root of 124531031 is about 499.3739243859.

Adding to 124531031 its reverse (130135421), we get a palindrome (254666452).

The spelling of 124531031 in words is "one hundred twenty-four million, five hundred thirty-one thousand, thirty-one".