104123930 has 16 divisors (see below), whose sum is σ = 189280584. Its totient is φ = 41236800.

The previous prime is 104123881. The next prime is 104123939. The reversal of 104123930 is 39321401.

It can be written as a sum of positive squares in 4 ways, for example, as 101223721 + 2900209 = 10061^2 + 1703^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104123896 and 104123905.

It is not an unprimeable number, because it can be changed into a prime (104123939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50537 + ... + 52556.

Almost surely, 2^104123930 is an apocalyptic number.

104123930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104123930 is a deficient number, since it is larger than the sum of its proper divisors (85156654).

104123930 is a wasteful number, since it uses less digits than its factorization.

104123930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103201.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 104123930 is about 10204.1133862771. The cubic root of 104123930 is about 470.4536588497.

The spelling of 104123930 in words is "one hundred four million, one hundred twenty-three thousand, nine hundred thirty".