399122103 has 8 divisors (see below), whose sum is σ = 535553008. Its totient is φ = 264386304.

The previous prime is 399122063. The next prime is 399122123. The reversal of 399122103 is 301221993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 399122103 - 2¹² = 399118007 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 (399122123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423226 + ... + 424167.

It is an arithmetic number, because the mean of its divisors is an integer number (66944126).

Almost surely, 2^399122103 is an apocalyptic number.

399122103 is a deficient number, since it is larger than the sum of its proper divisors (136430905).

399122103 is a wasteful number, since it uses less digits than its factorization.

399122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847553.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 399122103 is about 19978.0405195304. The cubic root of 399122103 is about 736.2668715333.

The spelling of 399122103 in words is "three hundred ninety-nine million, one hundred twenty-two thousand, one hundred three".