125702700881 has 4 divisors (see below), whose sum is σ = 125730908772. Its totient is φ = 125674492992.

The previous prime is 125702700863. The next prime is 125702700887. The reversal of 125702700881 is 188007207521.

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 74441665600 + 51261035281 = 272840^2 + 226409^2 .

It is a cyclic number.

It is not a de Polignac number, because 125702700881 - 2³⁰ = 124628959057 is a prime.

It is a super-2 number, since 2×125702700881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125702700887) 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, 14097260 + ... + 14106173.

It is an arithmetic number, because the mean of its divisors is an integer number (31432727193).

Almost surely, 2^125702700881 is an apocalyptic number.

It is an amenable number.

125702700881 is a deficient number, since it is larger than the sum of its proper divisors (28207891).

125702700881 is an equidigital number, since it uses as much as digits as its factorization.

125702700881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28207890.

The product of its (nonzero) digits is 62720, while the sum is 41.

The spelling of 125702700881 in words is "one hundred twenty-five billion, seven hundred two million, seven hundred thousand, eight hundred eighty-one".