124449631 has 2 divisors, whose sum is σ = 124449632. Its totient is φ = 124449630.

The previous prime is 124449629. The next prime is 124449649. The reversal of 124449631 is 136944421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124449631 - 2¹ = 124449629 is a prime.

It is a super-2 number, since 2×124449631² = 30975421312072322, which contains 22 as substring.

Together with 124449629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124449691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62224815 + 62224816.

It is an arithmetic number, because the mean of its divisors is an integer number (62224816).

Almost surely, 2^124449631 is an apocalyptic number.

124449631 is a deficient number, since it is larger than the sum of its proper divisors (1).

124449631 is an equidigital number, since it uses as much as digits as its factorization.

124449631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 124449631 is about 11155.6994850166. The cubic root of 124449631 is about 499.2650950252.

The spelling of 124449631 in words is "one hundred twenty-four million, four hundred forty-nine thousand, six hundred thirty-one".