104921210 has 16 divisors (see below), whose sum is σ = 190981800. Its totient is φ = 41496576.

The previous prime is 104921209. The next prime is 104921261. The reversal of 104921210 is 12129401.

It can be written as a sum of positive squares in 4 ways, for example, as 56715961 + 48205249 = 7531^2 + 6943^2 .

It is a super-2 number, since 2×104921210² = 22016920615728200, which contains 22 as substring.

It is an unprimeable number.

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, 58055 + ... + 59834.

Almost surely, 2^104921210 is an apocalyptic number.

104921210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104921210 is a deficient number, since it is larger than the sum of its proper divisors (86060590).

104921210 is a wasteful number, since it uses less digits than its factorization.

104921210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117985.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 104921210 is about 10243.1054861307. The cubic root of 104921210 is about 471.6513662471.

The spelling of 104921210 in words is "one hundred four million, nine hundred twenty-one thousand, two hundred ten".