104021401 has 6 divisors (see below), whose sum is σ = 114337706. Its totient is φ = 94564800.

The previous prime is 104021389. The next prime is 104021417. The reversal of 104021401 is 104120401.

It can be written as a sum of positive squares in only one way, i.e., 74373376 + 29648025 = 8624^2 + 5445^2 .

It is not a de Polignac number, because 104021401 - 2⁵ = 104021369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104021431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 429720 + ... + 429961.

Almost surely, 2^104021401 is an apocalyptic number.

104021401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104021401 is a deficient number, since it is larger than the sum of its proper divisors (10316305).

104021401 is an equidigital number, since it uses as much as digits as its factorization.

104021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859703 (or 859692 counting only the distinct ones).

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

The square root of 104021401 is about 10199.0882435637. The cubic root of 104021401 is about 470.2991923277.

Adding to 104021401 its reverse (104120401), we get a palindrome (208141802).

The spelling of 104021401 in words is "one hundred four million, twenty-one thousand, four hundred one".