104041021 has 16 divisors (see below), whose sum is σ = 121215744. Its totient is φ = 87462144.

The previous prime is 104040973. The next prime is 104041031. The reversal of 104041021 is 120140401.

It is not a de Polignac number, because 104041021 - 2⁹ = 104040509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104040992 and 104041010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104041031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80835 + ... + 82111.

It is an arithmetic number, because the mean of its divisors is an integer number (7575984).

Almost surely, 2^104041021 is an apocalyptic number.

It is an amenable number.

104041021 is a deficient number, since it is larger than the sum of its proper divisors (17174723).

104041021 is a wasteful number, since it uses less digits than its factorization.

104041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 104041021 is about 10200.0500488968. The cubic root of 104041021 is about 470.3287589682.

Adding to 104041021 its reverse (120140401), we get a palindrome (224181422).

The spelling of 104041021 in words is "one hundred four million, forty-one thousand, twenty-one".