104904981 has 6 divisors (see below), whose sum is σ = 151529430. Its totient is φ = 69936648.

The previous prime is 104904973. The next prime is 104905033. The reversal of 104904981 is 189409401.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 2692881 = 10110^2 + 1641^2 .

It is not a de Polignac number, because 104904981 - 2³ = 104904973 is a prime.

It is a super-4 number, since 4×104904981⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104904941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5828046 + ... + 5828063.

It is an arithmetic number, because the mean of its divisors is an integer number (25254905).

Almost surely, 2^104904981 is an apocalyptic number.

It is an amenable number.

104904981 is a deficient number, since it is larger than the sum of its proper divisors (46624449).

104904981 is a wasteful number, since it uses less digits than its factorization.

104904981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11656115 (or 11656112 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 104904981 is about 10242.3132641020. The cubic root of 104904981 is about 471.6270469675.

The spelling of 104904981 in words is "one hundred four million, nine hundred four thousand, nine hundred eighty-one".