125099801507 has 2 divisors, whose sum is σ = 125099801508. Its totient is φ = 125099801506.

The previous prime is 125099801473. The next prime is 125099801513. The reversal of 125099801507 is 705108990521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125099801507 - 2⁶ = 125099801443 is a prime.

It is not a weakly prime, because it can be changed into another prime (125099801537) 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, 62549900753 + 62549900754.

It is an arithmetic number, because the mean of its divisors is an integer number (62549900754).

Almost surely, 2^125099801507 is an apocalyptic number.

125099801507 is a deficient number, since it is larger than the sum of its proper divisors (1).

125099801507 is an equidigital number, since it uses as much as digits as its factorization.

125099801507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 47.

The spelling of 125099801507 in words is "one hundred twenty-five billion, ninety-nine million, eight hundred one thousand, five hundred seven".