125085810701 has 4 divisors (see below), whose sum is σ = 126192764892. Its totient is φ = 123978856512.

The previous prime is 125085810649. The next prime is 125085810757. The reversal of 125085810701 is 107018580521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46256825476 + 78828985225 = 215074^2 + 280765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125085810701 is a prime.

It is a super-2 number, since 2×125085810701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125085810301) 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, 553476926 + ... + 553477151.

It is an arithmetic number, because the mean of its divisors is an integer number (31548191223).

Almost surely, 2^125085810701 is an apocalyptic number.

It is an amenable number.

125085810701 is a deficient number, since it is larger than the sum of its proper divisors (1106954191).

125085810701 is a wasteful number, since it uses less digits than its factorization.

125085810701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106954190.

The product of its (nonzero) digits is 22400, while the sum is 38.

The spelling of 125085810701 in words is "one hundred twenty-five billion, eighty-five million, eight hundred ten thousand, seven hundred one".