103999955 has 16 divisors (see below), whose sum is σ = 127954944. Its totient is φ = 81110880.

The previous prime is 103999943. The next prime is 103999957. The reversal of 103999955 is 559999301.

It is not a de Polignac number, because 103999955 - 2¹⁶ = 103934419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103999957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72374 + ... + 73796.

It is an arithmetic number, because the mean of its divisors is an integer number (7997184).

Almost surely, 2^103999955 is an apocalyptic number.

103999955 is a deficient number, since it is larger than the sum of its proper divisors (23954989).

103999955 is a wasteful number, since it uses less digits than its factorization.

103999955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 492075, while the sum is 50.

The square root of 103999955 is about 10198.0368208788. The cubic root of 103999955 is about 470.2668697172.

The spelling of 103999955 in words is "one hundred three million, nine hundred ninety-nine thousand, nine hundred fifty-five".