124213943 has 4 divisors (see below), whose sum is σ = 141958800. Its totient is φ = 106469088.

The previous prime is 124213933. The next prime is 124213979. The reversal of 124213943 is 349312421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349312421 = 139 ⋅2513039.

It is a cyclic number.

It is not a de Polignac number, because 124213943 - 2⁶ = 124213879 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 (124213933) 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, 8872418 + ... + 8872431.

It is an arithmetic number, because the mean of its divisors is an integer number (35489700).

Almost surely, 2^124213943 is an apocalyptic number.

124213943 is a deficient number, since it is larger than the sum of its proper divisors (17744857).

124213943 is an equidigital number, since it uses as much as digits as its factorization.

124213943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17744856.

The product of its digits is 5184, while the sum is 29.

The square root of 124213943 is about 11145.1309099535. The cubic root of 124213943 is about 498.9497193659.

The spelling of 124213943 in words is "one hundred twenty-four million, two hundred thirteen thousand, nine hundred forty-three".