125668427 has 4 divisors (see below), whose sum is σ = 125696400. Its totient is φ = 125640456.

The previous prime is 125668423. The next prime is 125668429. The reversal of 125668427 is 724866521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724866521 = 31 ⋅23382791.

It is a cyclic number.

It is not a de Polignac number, because 125668427 - 2² = 125668423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125668423) 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, 5552 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (31424100).

Almost surely, 2^125668427 is an apocalyptic number.

125668427 is a deficient number, since it is larger than the sum of its proper divisors (27973).

125668427 is an equidigital number, since it uses as much as digits as its factorization.

125668427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27972.

The product of its digits is 161280, while the sum is 41.

The square root of 125668427 is about 11210.1929956625. The cubic root of 125668427 is about 500.8896520994.

The spelling of 125668427 in words is "one hundred twenty-five million, six hundred sixty-eight thousand, four hundred twenty-seven".