104112691 has 2 divisors, whose sum is σ = 104112692. Its totient is φ = 104112690.

The previous prime is 104112683. The next prime is 104112703. The reversal of 104112691 is 196211401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104112691 - 2³ = 104112683 is a prime.

It is a super-2 number, since 2×104112691² = 21678904854522962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104112991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52056345 + 52056346.

It is an arithmetic number, because the mean of its divisors is an integer number (52056346).

Almost surely, 2^104112691 is an apocalyptic number.

104112691 is a deficient number, since it is larger than the sum of its proper divisors (1).

104112691 is an equidigital number, since it uses as much as digits as its factorization.

104112691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 104112691 is about 10203.5626621293. The cubic root of 104112691 is about 470.4367315243.

The spelling of 104112691 in words is "one hundred four million, one hundred twelve thousand, six hundred ninety-one".