104456561 has 8 divisors (see below), whose sum is σ = 116732448. Its totient is φ = 92644000.

The previous prime is 104456557. The next prime is 104456581. The reversal of 104456561 is 165654401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104456561 - 2² = 104456557 is a prime.

It is a super-2 number, since 2×104456561² = 21822346271893442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104456531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115355 + ... + 116256.

It is an arithmetic number, because the mean of its divisors is an integer number (14591556).

Almost surely, 2^104456561 is an apocalyptic number.

104456561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104456561 is a deficient number, since it is larger than the sum of its proper divisors (12275887).

104456561 is a wasteful number, since it uses less digits than its factorization.

104456561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231663.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 104456561 is about 10220.3992583460. The cubic root of 104456561 is about 470.9540917776.

The spelling of 104456561 in words is "one hundred four million, four hundred fifty-six thousand, five hundred sixty-one".