124136631407 has 2 divisors, whose sum is σ = 124136631408. Its totient is φ = 124136631406.

The previous prime is 124136631401. The next prime is 124136631427. The reversal of 124136631407 is 704136631421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124136631407 - 2¹² = 124136627311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124136631401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62068315703 + 62068315704.

It is an arithmetic number, because the mean of its divisors is an integer number (62068315704).

Almost surely, 2^124136631407 is an apocalyptic number.

124136631407 is a deficient number, since it is larger than the sum of its proper divisors (1).

124136631407 is an equidigital number, since it uses as much as digits as its factorization.

124136631407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 124136631407 in words is "one hundred twenty-four billion, one hundred thirty-six million, six hundred thirty-one thousand, four hundred seven".