125772427 has 4 divisors (see below), whose sum is σ = 137206296. Its totient is φ = 114338560.

The previous prime is 125772407. The next prime is 125772433. The reversal of 125772427 is 724277521.

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

It is a cyclic number.

It is not a de Polignac number, because 125772427 - 2⁷ = 125772299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125772407) 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, 5716918 + ... + 5716939.

It is an arithmetic number, because the mean of its divisors is an integer number (34301574).

Almost surely, 2^125772427 is an apocalyptic number.

125772427 is a deficient number, since it is larger than the sum of its proper divisors (11433869).

125772427 is a wasteful number, since it uses less digits than its factorization.

125772427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433868.

The product of its digits is 54880, while the sum is 37.

The square root of 125772427 is about 11214.8306719272. The cubic root of 125772427 is about 501.0277885206.

The spelling of 125772427 in words is "one hundred twenty-five million, seven hundred seventy-two thousand, four hundred twenty-seven".