124124450399 has 12 divisors (see below), whose sum is σ = 128625474600. Its totient is φ = 119775927600.

The previous prime is 124124450383. The next prime is 124124450413. The reversal of 124124450399 is 993054421421.

It is not a de Polignac number, because 124124450399 - 2⁴ = 124124450383 is a prime.

It is a super-2 number, since 2×124124450399² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124124470399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150344 + ... + 520434.

It is an arithmetic number, because the mean of its divisors is an integer number (10718789550).

Almost surely, 2^124124450399 is an apocalyptic number.

124124450399 is a deficient number, since it is larger than the sum of its proper divisors (4501024201).

124124450399 is an equidigital number, since it uses as much as digits as its factorization.

124124450399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370502 (or 370471 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 124124450399 in words is "one hundred twenty-four billion, one hundred twenty-four million, four hundred fifty thousand, three hundred ninety-nine".