104897971 has 4 divisors (see below), whose sum is σ = 106877232. Its totient is φ = 102918712.

The previous prime is 104897957. The next prime is 104897977. The reversal of 104897971 is 179798401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104897971 - 2¹⁵ = 104865203 is a prime.

It is a super-2 number, since 2×104897971² = 22007168639833682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104897977) 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, 989551 + ... + 989656.

It is an arithmetic number, because the mean of its divisors is an integer number (26719308).

Almost surely, 2^104897971 is an apocalyptic number.

104897971 is a deficient number, since it is larger than the sum of its proper divisors (1979261).

104897971 is an equidigital number, since it uses as much as digits as its factorization.

104897971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979260.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 104897971 is about 10241.9710505351. The cubic root of 104897971 is about 471.6165416537.

The spelling of 104897971 in words is "one hundred four million, eight hundred ninety-seven thousand, nine hundred seventy-one".