124421143 has 24 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 96531120.

The previous prime is 124421137. The next prime is 124421149. The reversal of 124421143 is 341124421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124421137) and next prime (124421149).

It is not a de Polignac number, because 124421143 - 2⁵ = 124421111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193180 + ... + 193822.

It is an arithmetic number, because the mean of its divisors is an integer number (6607440).

Almost surely, 2^124421143 is an apocalyptic number.

124421143 is a deficient number, since it is larger than the sum of its proper divisors (34157417).

124421143 is a wasteful number, since it uses less digits than its factorization.

124421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1020 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 124421143 is about 11154.4225758217. The cubic root of 124421143 is about 499.2269962128.

Adding to 124421143 its reverse (341124421), we get a palindrome (465545564).

The spelling of 124421143 in words is "one hundred twenty-four million, four hundred twenty-one thousand, one hundred forty-three".