125270881 has 4 divisors (see below), whose sum is σ = 127324564. Its totient is φ = 123217200.

The previous prime is 125270861. The next prime is 125270891. The reversal of 125270881 is 188072521.

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 3389281 + 121881600 = 1841^2 + 11040^2 .

It is a cyclic number.

It is not a de Polignac number, because 125270881 - 2⁷ = 125270753 is a prime.

It is a super-2 number, since 2×125270881² = 31385587253032322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125270801) 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, 1026750 + ... + 1026871.

It is an arithmetic number, because the mean of its divisors is an integer number (31831141).

Almost surely, 2^125270881 is an apocalyptic number.

It is an amenable number.

125270881 is a deficient number, since it is larger than the sum of its proper divisors (2053683).

125270881 is an equidigital number, since it uses as much as digits as its factorization.

125270881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053682.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 125270881 is about 11192.4474982016. The cubic root of 125270881 is about 500.3609140860.

The spelling of 125270881 in words is "one hundred twenty-five million, two hundred seventy thousand, eight hundred eighty-one".