125062681 has 4 divisors (see below), whose sum is σ = 125360164. Its totient is φ = 124765200.

The previous prime is 125062643. The next prime is 125062697. The reversal of 125062681 is 186260521.

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 65464281 + 59598400 = 8091^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 125062681 - 2²¹ = 122965529 is a prime.

It is a super-2 number, since 2×125062681² = 31281348357815522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125062621) 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, 148110 + ... + 148951.

It is an arithmetic number, because the mean of its divisors is an integer number (31340041).

Almost surely, 2^125062681 is an apocalyptic number.

It is an amenable number.

125062681 is a deficient number, since it is larger than the sum of its proper divisors (297483).

125062681 is an equidigital number, since it uses as much as digits as its factorization.

125062681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297482.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 125062681 is about 11183.1427157128. The cubic root of 125062681 is about 500.0835607011.

The spelling of 125062681 in words is "one hundred twenty-five million, sixty-two thousand, six hundred eighty-one".