104021403 has 8 divisors (see below), whose sum is σ = 139414608. Its totient is φ = 68987904.

The previous prime is 104021389. The next prime is 104021417. The reversal of 104021403 is 304120401.

It is an interprime number because it is at equal distance from previous prime (104021389) and next prime (104021417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104021403 - 2⁶ = 104021339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104021443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89250 + ... + 90407.

It is an arithmetic number, because the mean of its divisors is an integer number (17426826).

Almost surely, 2^104021403 is an apocalyptic number.

104021403 is a deficient number, since it is larger than the sum of its proper divisors (35393205).

104021403 is a wasteful number, since it uses less digits than its factorization.

104021403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179853.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104021403 is about 10199.0883416117. The cubic root of 104021403 is about 470.2991953419.

Adding to 104021403 its reverse (304120401), we get a palindrome (408141804).

The spelling of 104021403 in words is "one hundred four million, twenty-one thousand, four hundred three".