104971091 has 4 divisors (see below), whose sum is σ = 105027384. Its totient is φ = 104914800.

The previous prime is 104971049. The next prime is 104971129. The reversal of 104971091 is 190179401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190179401 = 827 ⋅229963.

It is a cyclic number.

It is not a de Polignac number, because 104971091 - 2¹⁰ = 104970067 is a prime.

It is a super-2 number, since 2×104971091² = 22037859891460562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104971021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25250 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (26256846).

Almost surely, 2^104971091 is an apocalyptic number.

104971091 is a deficient number, since it is larger than the sum of its proper divisors (56293).

104971091 is an equidigital number, since it uses as much as digits as its factorization.

104971091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56292.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 104971091 is about 10245.5400540918. The cubic root of 104971091 is about 471.7260976082.

The spelling of 104971091 in words is "one hundred four million, nine hundred seventy-one thousand, ninety-one".