124390345 has 4 divisors (see below), whose sum is σ = 149268420. Its totient is φ = 99512272.

The previous prime is 124390339. The next prime is 124390361. The reversal of 124390345 is 543093421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83978896 + 40411449 = 9164^2 + 6357^2 .

It is a cyclic number.

It is not a de Polignac number, because 124390345 - 2¹⁵ = 124357577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12439030 + ... + 12439039.

It is an arithmetic number, because the mean of its divisors is an integer number (37317105).

Almost surely, 2^124390345 is an apocalyptic number.

It is an amenable number.

124390345 is a deficient number, since it is larger than the sum of its proper divisors (24878075).

124390345 is an equidigital number, since it uses as much as digits as its factorization.

124390345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24878074.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 124390345 is about 11153.0419617251. The cubic root of 124390345 is about 499.1858015481.

The spelling of 124390345 in words is "one hundred twenty-four million, three hundred ninety thousand, three hundred forty-five".