124312199 has 4 divisors (see below), whose sum is σ = 135613320. Its totient is φ = 113011080.

The previous prime is 124312187. The next prime is 124312207. The reversal of 124312199 is 991213421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991213421 = 11 ⋅90110311.

It is a cyclic number.

It is not a de Polignac number, because 124312199 - 2²⁴ = 107534983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124312399) 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, 5650544 + ... + 5650565.

It is an arithmetic number, because the mean of its divisors is an integer number (33903330).

Almost surely, 2^124312199 is an apocalyptic number.

124312199 is a deficient number, since it is larger than the sum of its proper divisors (11301121).

124312199 is a wasteful number, since it uses less digits than its factorization.

124312199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301120.

The product of its digits is 3888, while the sum is 32.

The square root of 124312199 is about 11149.5380621800. The cubic root of 124312199 is about 499.0812448119.

The spelling of 124312199 in words is "one hundred twenty-four million, three hundred twelve thousand, one hundred ninety-nine".