104203511 has 8 divisors (see below), whose sum is σ = 105680064. Its totient is φ = 102735360.

The previous prime is 104203481. The next prime is 104203513. The reversal of 104203511 is 115302401.

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

It is a cyclic number.

It is not a de Polignac number, because 104203511 - 2⁶ = 104203447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104203511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104203513) 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, 25346 + ... + 29168.

It is an arithmetic number, because the mean of its divisors is an integer number (13210008).

Almost surely, 2^104203511 is an apocalyptic number.

104203511 is a deficient number, since it is larger than the sum of its proper divisors (1476553).

104203511 is an equidigital number, since it uses as much as digits as its factorization.

104203511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 104203511 is about 10208.0120983471. The cubic root of 104203511 is about 470.5734828534.

Adding to 104203511 its reverse (115302401), we get a palindrome (219505912).

It can be divided in two parts, 10420 and 3511, that added together give a palindrome (13931).

The spelling of 104203511 in words is "one hundred four million, two hundred three thousand, five hundred eleven".