10104561 has 16 divisors (see below), whose sum is σ = 15758400. Its totient is φ = 6381504.

The previous prime is 10104553. The next prime is 10104569. The reversal of 10104561 is 16540101.

10104561 is a `hidden beast` number, since 1 + 0 + 104 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (10104553) and next prime (10104569).

It is not a de Polignac number, because 10104561 - 2³ = 10104553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10104569) 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 15 ways as a sum of consecutive naturals, for example, 9336 + ... + 10361.

It is an arithmetic number, because the mean of its divisors is an integer number (984900).

Almost surely, 2^10104561 is an apocalyptic number.

It is an amenable number.

10104561 is a deficient number, since it is larger than the sum of its proper divisors (5653839).

10104561 is a wasteful number, since it uses less digits than its factorization.

10104561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19725 (or 19719 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 10104561 is about 3178.7672138740. The cubic root of 10104561 is about 216.1917664263.

Adding to 10104561 its reverse (16540101), we get a palindrome (26644662).

The spelling of 10104561 in words is "ten million, one hundred four thousand, five hundred sixty-one".