124349217 has 4 divisors (see below), whose sum is σ = 165798960. Its totient is φ = 82899476.

The previous prime is 124349179. The next prime is 124349219. The reversal of 124349217 is 712943421.

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 124349217 - 2⁷ = 124349089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124349219) 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, 20724867 + ... + 20724872.

It is an arithmetic number, because the mean of its divisors is an integer number (41449740).

Almost surely, 2^124349217 is an apocalyptic number.

It is an amenable number.

124349217 is a deficient number, since it is larger than the sum of its proper divisors (41449743).

124349217 is an equidigital number, since it uses as much as digits as its factorization.

124349217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41449742.

The product of its digits is 12096, while the sum is 33.

The square root of 124349217 is about 11151.1980073892. The cubic root of 124349217 is about 499.1307791191.

The spelling of 124349217 in words is "one hundred twenty-four million, three hundred forty-nine thousand, two hundred seventeen".