125822703917 has 8 divisors (see below), whose sum is σ = 128934062712. Its totient is φ = 122713369600.

The previous prime is 125822703913. The next prime is 125822703961. The reversal of 125822703917 is 719307228521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8878539076 + 116944164841 = 94226^2 + 341971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125822703917 - 2² = 125822703913 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 (125822703913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379898 + ... + 629259.

It is an arithmetic number, because the mean of its divisors is an integer number (16116757839).

Almost surely, 2^125822703917 is an apocalyptic number.

It is an amenable number.

125822703917 is a deficient number, since it is larger than the sum of its proper divisors (3111358795).

125822703917 is a wasteful number, since it uses less digits than its factorization.

125822703917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012239.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 125822703917 in words is "one hundred twenty-five billion, eight hundred twenty-two million, seven hundred three thousand, nine hundred seventeen".