104020351 has 4 divisors (see below), whose sum is σ = 104047632. Its totient is φ = 103993072.

The previous prime is 104020339. The next prime is 104020379. The reversal of 104020351 is 153020401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104020351 - 2⁷ = 104020223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020451) by changing a digit.

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, 6766 + ... + 15931.

It is an arithmetic number, because the mean of its divisors is an integer number (26011908).

Almost surely, 2^104020351 is an apocalyptic number.

104020351 is a deficient number, since it is larger than the sum of its proper divisors (27281).

104020351 is an equidigital number, since it uses as much as digits as its factorization.

104020351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27280.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 104020351 is about 10199.0367682443. The cubic root of 104020351 is about 470.2976099104.

Adding to 104020351 its reverse (153020401), we get a palindrome (257040752).

Subtracting 104020351 from its reverse (153020401), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 104020351 in words is "one hundred four million, twenty thousand, three hundred fifty-one".