125076754751 has 4 divisors (see below), whose sum is σ = 134698043592. Its totient is φ = 115455465912.

The previous prime is 125076754741. The next prime is 125076754753. The reversal of 125076754751 is 157457670521.

It is a happy number.

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-125076754751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125076754751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125076754753) 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 in 3 ways as a sum of consecutive naturals, for example, 4810644401 + ... + 4810644426.

It is an arithmetic number, because the mean of its divisors is an integer number (33674510898).

Almost surely, 2^125076754751 is an apocalyptic number.

125076754751 is a deficient number, since it is larger than the sum of its proper divisors (9621288841).

125076754751 is an equidigital number, since it uses as much as digits as its factorization.

125076754751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9621288840.

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 125076754751 in words is "one hundred twenty-five billion, seventy-six million, seven hundred fifty-four thousand, seven hundred fifty-one".