124421799 has 16 divisors (see below), whose sum is σ = 168246144. Its totient is φ = 81780000.

The previous prime is 124421783. The next prime is 124421807. The reversal of 124421799 is 997124421.

It is not a de Polignac number, because 124421799 - 2⁴ = 124421783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85024 + ... + 86474.

It is an arithmetic number, because the mean of its divisors is an integer number (10515384).

Almost surely, 2^124421799 is an apocalyptic number.

124421799 is a deficient number, since it is larger than the sum of its proper divisors (43824345).

124421799 is a wasteful number, since it uses less digits than its factorization.

124421799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 36288, while the sum is 39.

The square root of 124421799 is about 11154.4519811598. The cubic root of 124421799 is about 499.2278735887.

It can be divided in two parts, 12442 and 1799, that added together give a palindrome (14241).

The spelling of 124421799 in words is "one hundred twenty-four million, four hundred twenty-one thousand, seven hundred ninety-nine".