124272543 has 4 divisors (see below), whose sum is σ = 165696728. Its totient is φ = 82848360.

The previous prime is 124272539. The next prime is 124272557. The reversal of 124272543 is 345272421.

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

It is not a de Polignac number, because 124272543 - 2² = 124272539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124272543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124272143) 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, 20712088 + ... + 20712093.

It is an arithmetic number, because the mean of its divisors is an integer number (41424182).

Almost surely, 2^124272543 is an apocalyptic number.

124272543 is a deficient number, since it is larger than the sum of its proper divisors (41424185).

124272543 is an equidigital number, since it uses as much as digits as its factorization.

124272543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424184.

The product of its digits is 13440, while the sum is 30.

The square root of 124272543 is about 11147.7595506900. The cubic root of 124272543 is about 499.0281696487.

The spelling of 124272543 in words is "one hundred twenty-four million, two hundred seventy-two thousand, five hundred forty-three".