104982981 has 8 divisors (see below), whose sum is σ = 140344320. Its totient is φ = 69805152.

The previous prime is 104982907. The next prime is 104982991. The reversal of 104982981 is 189289401.

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

It is not a de Polignac number, because 104982981 - 2⁹ = 104982469 is a prime.

It is a super-2 number, since 2×104982981² = 22042852599292722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104982991) 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 7 ways as a sum of consecutive naturals, for example, 44536 + ... + 46833.

It is an arithmetic number, because the mean of its divisors is an integer number (17543040).

Almost surely, 2^104982981 is an apocalyptic number.

It is an amenable number.

104982981 is a deficient number, since it is larger than the sum of its proper divisors (35361339).

104982981 is an equidigital number, since it uses as much as digits as its factorization.

104982981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91755.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 104982981 is about 10246.1202901391. The cubic root of 104982981 is about 471.7439076278.

The spelling of 104982981 in words is "one hundred four million, nine hundred eighty-two thousand, nine hundred eighty-one".