124441999 has 12 divisors (see below), whose sum is σ = 137235960. Its totient is φ = 111908000.

The previous prime is 124441991. The next prime is 124442047. The reversal of 124441999 is 999144421.

It is not a de Polignac number, because 124441999 - 2³ = 124441991 is a prime.

It is a super-2 number, since 2×124441999² = 30971622230232002, 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 (124441991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111657 + ... + 112765.

It is an arithmetic number, because the mean of its divisors is an integer number (11436330).

Almost surely, 2^124441999 is an apocalyptic number.

124441999 is a deficient number, since it is larger than the sum of its proper divisors (12793961).

124441999 is a wasteful number, since it uses less digits than its factorization.

124441999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1221 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 124441999 is about 11155.3574124723. The cubic root of 124441999 is about 499.2548888369.

The spelling of 124441999 in words is "one hundred twenty-four million, four hundred forty-one thousand, nine hundred ninety-nine".