124432099 has 4 divisors (see below), whose sum is σ = 135744120. Its totient is φ = 113120080.

The previous prime is 124432079. The next prime is 124432103. The reversal of 124432099 is 990234421.

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

It is a cyclic number.

It is not a de Polignac number, because 124432099 - 2⁷ = 124431971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124432039) 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 3 ways as a sum of consecutive naturals, for example, 5655994 + ... + 5656015.

It is an arithmetic number, because the mean of its divisors is an integer number (33936030).

Almost surely, 2^124432099 is an apocalyptic number.

124432099 is a deficient number, since it is larger than the sum of its proper divisors (11312021).

124432099 is a wasteful number, since it uses less digits than its factorization.

124432099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312020.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 124432099 is about 11154.9136706655. The cubic root of 124432099 is about 499.2416490559.

The spelling of 124432099 in words is "one hundred twenty-four million, four hundred thirty-two thousand, ninety-nine".