104917961 has 4 divisors (see below), whose sum is σ = 104955924. Its totient is φ = 104880000.

The previous prime is 104917957. The next prime is 104917993. The reversal of 104917961 is 169719401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169719401 = 173 ⋅981037.

It can be written as a sum of positive squares in 2 ways, for example, as 49266361 + 55651600 = 7019^2 + 7460^2 .

It is a cyclic number.

It is not a de Polignac number, because 104917961 - 2² = 104917957 is a prime.

It is a super-2 number, since 2×104917961² = 22015557080795042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104917661) 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, 14480 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (26238981).

Almost surely, 2^104917961 is an apocalyptic number.

It is an amenable number.

104917961 is a deficient number, since it is larger than the sum of its proper divisors (37963).

104917961 is an equidigital number, since it uses as much as digits as its factorization.

104917961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37962.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 104917961 is about 10242.9468904217. The cubic root of 104917961 is about 471.6464977967.

The spelling of 104917961 in words is "one hundred four million, nine hundred seventeen thousand, nine hundred sixty-one".