124229993 has 4 divisors (see below), whose sum is σ = 126084240. Its totient is φ = 122375748.

The previous prime is 124229983. The next prime is 124230031. The reversal of 124229993 is 399922421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124229993 - 2⁸ = 124229737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124229993.

It is not an unprimeable number, because it can be changed into a prime (124229983) 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, 927023 + ... + 927156.

It is an arithmetic number, because the mean of its divisors is an integer number (31521060).

Almost surely, 2^124229993 is an apocalyptic number.

It is an amenable number.

124229993 is a deficient number, since it is larger than the sum of its proper divisors (1854247).

124229993 is an equidigital number, since it uses as much as digits as its factorization.

124229993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854246.

The product of its digits is 69984, while the sum is 41.

The square root of 124229993 is about 11145.8509320733. The cubic root of 124229993 is about 498.9712086285.

The spelling of 124229993 in words is "one hundred twenty-four million, two hundred twenty-nine thousand, nine hundred ninety-three".