124347631 has 2 divisors, whose sum is σ = 124347632. Its totient is φ = 124347630.

The previous prime is 124347617. The next prime is 124347697. The reversal of 124347631 is 136743421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124347631 - 2⁵ = 124347599 is a prime.

It is a super-2 number, since 2×124347631² = 30924666670624322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124347593 and 124347602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124347731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62173815 + 62173816.

It is an arithmetic number, because the mean of its divisors is an integer number (62173816).

Almost surely, 2^124347631 is an apocalyptic number.

124347631 is a deficient number, since it is larger than the sum of its proper divisors (1).

124347631 is an equidigital number, since it uses as much as digits as its factorization.

124347631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 124347631 is about 11151.1268937269. The cubic root of 124347631 is about 499.1286570717.

The spelling of 124347631 in words is "one hundred twenty-four million, three hundred forty-seven thousand, six hundred thirty-one".