125103076687 has 4 divisors (see below), whose sum is σ = 132462081216. Its totient is φ = 117744072160.

The previous prime is 125103076667. The next prime is 125103076699. The reversal of 125103076687 is 786670301521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125103076687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125103076667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3679502239 + ... + 3679502272.

It is an arithmetic number, because the mean of its divisors is an integer number (33115520304).

Almost surely, 2^125103076687 is an apocalyptic number.

125103076687 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125103076687 is a deficient number, since it is larger than the sum of its proper divisors (7359004529).

125103076687 is an equidigital number, since it uses as much as digits as its factorization.

125103076687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359004528.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 125103076687 in words is "one hundred twenty-five billion, one hundred three million, seventy-six thousand, six hundred eighty-seven".