104980121 has 4 divisors (see below), whose sum is σ = 106960932. Its totient is φ = 102999312.

The previous prime is 104980097. The next prime is 104980129. The reversal of 104980121 is 121089401.

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 90992521 + 13987600 = 9539^2 + 3740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104980121 is a prime.

It is a super-2 number, since 2×104980121² = 22041651610349282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104980129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990326 + ... + 990431.

It is an arithmetic number, because the mean of its divisors is an integer number (26740233).

Almost surely, 2^104980121 is an apocalyptic number.

It is an amenable number.

104980121 is a deficient number, since it is larger than the sum of its proper divisors (1980811).

104980121 is an equidigital number, since it uses as much as digits as its factorization.

104980121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980810.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 104980121 is about 10245.9807241669. The cubic root of 104980121 is about 471.7396237594.

The spelling of 104980121 in words is "one hundred four million, nine hundred eighty thousand, one hundred twenty-one".