124434919 has 4 divisors (see below), whose sum is σ = 142211344. Its totient is φ = 106658496.

The previous prime is 124434913. The next prime is 124434923. The reversal of 124434919 is 919434421.

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

It is not a de Polignac number, because 124434919 - 2⁵ = 124434887 is a prime.

It is a super-2 number, since 2×124434919² = 30968098133073122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124434913) 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, 8888202 + ... + 8888215.

It is an arithmetic number, because the mean of its divisors is an integer number (35552836).

Almost surely, 2^124434919 is an apocalyptic number.

124434919 is a deficient number, since it is larger than the sum of its proper divisors (17776425).

124434919 is an equidigital number, since it uses as much as digits as its factorization.

124434919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776424.

The product of its digits is 31104, while the sum is 37.

The square root of 124434919 is about 11155.0400716447. The cubic root of 124434919 is about 499.2454204590.

It can be divided in two parts, 1244 and 34919, that added together give a palindrome (36163).

The spelling of 124434919 in words is "one hundred twenty-four million, four hundred thirty-four thousand, nine hundred nineteen".