104122993 has 4 divisors (see below), whose sum is σ = 112132468. Its totient is φ = 96113520.

The previous prime is 104122987. The next prime is 104122999. The reversal of 104122993 is 399221401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399221401 = 15749 ⋅25349.

It is an interprime number because it is at equal distance from previous prime (104122987) and next prime (104122999).

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 79352464 = 4977^2 + 8908^2 .

It is a cyclic number.

It is not a de Polignac number, because 104122993 - 2⁵ = 104122961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104122999) 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 3 ways as a sum of consecutive naturals, for example, 4004718 + ... + 4004743.

It is an arithmetic number, because the mean of its divisors is an integer number (28033117).

Almost surely, 2^104122993 is an apocalyptic number.

104122993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104122993 is a deficient number, since it is larger than the sum of its proper divisors (8009475).

104122993 is an equidigital number, since it uses as much as digits as its factorization.

104122993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8009474.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 104122993 is about 10204.0674733167. The cubic root of 104122993 is about 470.4522476582.

The spelling of 104122993 in words is "one hundred four million, one hundred twenty-two thousand, nine hundred ninety-three".