124272271 has 4 divisors (see below), whose sum is σ = 127303344. Its totient is φ = 121241200.

The previous prime is 124272263. The next prime is 124272283. The reversal of 124272271 is 172272421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172272421 = 3329 ⋅51749.

It is a cyclic number.

It is not a de Polignac number, because 124272271 - 2³ = 124272263 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 (124272241) 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, 1515475 + ... + 1515556.

It is an arithmetic number, because the mean of its divisors is an integer number (31825836).

Almost surely, 2^124272271 is an apocalyptic number.

124272271 is a deficient number, since it is larger than the sum of its proper divisors (3031073).

124272271 is an equidigital number, since it uses as much as digits as its factorization.

124272271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031072.

The product of its digits is 3136, while the sum is 28.

The square root of 124272271 is about 11147.7473509225. The cubic root of 124272271 is about 499.0278055678.

The spelling of 124272271 in words is "one hundred twenty-four million, two hundred seventy-two thousand, two hundred seventy-one".