104001020 has 12 divisors (see below), whose sum is σ = 218402184. Its totient is φ = 41600400.

The previous prime is 104001017. The next prime is 104001059. The reversal of 104001020 is 20100401.

It is a super-2 number, since 2×104001020² = 21632424322080800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104000989 and 104001007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600006 + ... + 2600045.

It is an arithmetic number, because the mean of its divisors is an integer number (18200182).

Almost surely, 2^104001020 is an apocalyptic number.

104001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104001020 is an abundant number, since it is smaller than the sum of its proper divisors (114401164).

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

104001020 is a wasteful number, since it uses less digits than its factorization.

104001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200060 (or 5200058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 104001020 is about 10198.0890366774. The cubic root of 104001020 is about 470.2684749503.

Adding to 104001020 its reverse (20100401), we get a palindrome (124101421).

The spelling of 104001020 in words is "one hundred four million, one thousand, twenty".