104001320 has 16 divisors (see below), whose sum is σ = 234003060. Its totient is φ = 41600512.

The previous prime is 104001283. The next prime is 104001343. The reversal of 104001320 is 23100401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103999204 + 2116 = 10198^2 + 46^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1299977 + ... + 1300056.

Almost surely, 2^104001320 is an apocalyptic number.

104001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104001320 is an abundant number, since it is smaller than the sum of its proper divisors (130001740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104001320 is a wasteful number, since it uses less digits than its factorization.

104001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600044 (or 2600040 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 104001320 is about 10198.1037453048. The cubic root of 104001320 is about 470.2689271266.

Adding to 104001320 its reverse (23100401), we get a palindrome (127101721).

The spelling of 104001320 in words is "one hundred four million, one thousand, three hundred twenty".