104561101 has 4 divisors (see below), whose sum is σ = 110711772. Its totient is φ = 98410432.

The previous prime is 104561089. The next prime is 104561131. The reversal of 104561101 is 101165401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51984100 + 52577001 = 7210^2 + 7251^2 .

It is a cyclic number.

It is not a de Polignac number, because 104561101 - 2¹⁹ = 104036813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104561131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075310 + ... + 3075343.

It is an arithmetic number, because the mean of its divisors is an integer number (27677943).

Almost surely, 2^104561101 is an apocalyptic number.

It is an amenable number.

104561101 is a deficient number, since it is larger than the sum of its proper divisors (6150671).

104561101 is an equidigital number, since it uses as much as digits as its factorization.

104561101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150670.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 104561101 is about 10225.5122610068. The cubic root of 104561101 is about 471.1111494901. Note that the first 4 decimals are identical.

The spelling of 104561101 in words is "one hundred four million, five hundred sixty-one thousand, one hundred one".