125752271 has 4 divisors (see below), whose sum is σ = 126712344. Its totient is φ = 124792200.

The previous prime is 125752267. The next prime is 125752273. The reversal of 125752271 is 172257521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172257521 = 59 ⋅2919619.

It is a cyclic number.

It is not a de Polignac number, because 125752271 - 2² = 125752267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125752273) 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, 479840 + ... + 480101.

It is an arithmetic number, because the mean of its divisors is an integer number (31678086).

Almost surely, 2^125752271 is an apocalyptic number.

125752271 is a deficient number, since it is larger than the sum of its proper divisors (960073).

125752271 is an equidigital number, since it uses as much as digits as its factorization.

125752271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960072.

The product of its digits is 9800, while the sum is 32.

The square root of 125752271 is about 11213.9320044309. The cubic root of 125752271 is about 501.0010225702.

The spelling of 125752271 in words is "one hundred twenty-five million, seven hundred fifty-two thousand, two hundred seventy-one".