104411021 has 12 divisors (see below), whose sum is σ = 123595836. Its totient is φ = 87616320.

The previous prime is 104410993. The next prime is 104411039. The reversal of 104411021 is 120114401.

It can be written as a sum of positive squares in 2 ways, for example, as 60996100 + 43414921 = 7810^2 + 6589^2 .

It is a de Polignac number, because none of the positive numbers 2^k-104411021 is a prime.

It is a super-2 number, since 2×104411021² = 21803322612524882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104410987 and 104411005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104411071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31616 + ... + 34761.

It is an arithmetic number, because the mean of its divisors is an integer number (10299653).

Almost surely, 2^104411021 is an apocalyptic number.

104411021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104411021 is a deficient number, since it is larger than the sum of its proper divisors (19184815).

104411021 is a wasteful number, since it uses less digits than its factorization.

104411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66412 (or 66401 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 104411021 is about 10218.1711181600. The cubic root of 104411021 is about 470.8856411008.

Adding to 104411021 its reverse (120114401), we get a palindrome (224525422).

The spelling of 104411021 in words is "one hundred four million, four hundred eleven thousand, twenty-one".