124440213 has 8 divisors (see below), whose sum is σ = 170404768. Its totient is φ = 80717904.

The previous prime is 124440191. The next prime is 124440269. The reversal of 124440213 is 312044421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124440213 - 2⁶ = 124440149 is a prime.

It is a super-2 number, since 2×124440213² = 30970733222970738, which contains 22 as substring.

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 124440213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124440413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560431 + ... + 560652.

It is an arithmetic number, because the mean of its divisors is an integer number (21300596).

Almost surely, 2^124440213 is an apocalyptic number.

It is an amenable number.

124440213 is a deficient number, since it is larger than the sum of its proper divisors (45964555).

124440213 is a wasteful number, since it uses less digits than its factorization.

124440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121123.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 124440213 is about 11155.2773609624. The cubic root of 124440213 is about 499.2525003789.

Adding to 124440213 its reverse (312044421), we get a palindrome (436484634).

The spelling of 124440213 in words is "one hundred twenty-four million, four hundred forty thousand, two hundred thirteen".