124997029907 has 2 divisors, whose sum is σ = 124997029908. Its totient is φ = 124997029906.

The previous prime is 124997029889. The next prime is 124997029957. The reversal of 124997029907 is 709920799421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124997029907 is a prime.

It is not a weakly prime, because it can be changed into another prime (124997029957) 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, 62498514953 + 62498514954.

It is an arithmetic number, because the mean of its divisors is an integer number (62498514954).

Almost surely, 2^124997029907 is an apocalyptic number.

124997029907 is a deficient number, since it is larger than the sum of its proper divisors (1).

124997029907 is an equidigital number, since it uses as much as digits as its factorization.

124997029907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 124997029907 in words is "one hundred twenty-four billion, nine hundred ninety-seven million, twenty-nine thousand, nine hundred seven".