103902789 has 4 divisors (see below), whose sum is σ = 138537056. Its totient is φ = 69268524.

The previous prime is 103902779. The next prime is 103902791. The reversal of 103902789 is 987209301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103902789 - 2⁹ = 103902277 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 (103902739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17317129 + ... + 17317134.

It is an arithmetic number, because the mean of its divisors is an integer number (34634264).

Almost surely, 2^103902789 is an apocalyptic number.

It is an amenable number.

103902789 is a deficient number, since it is larger than the sum of its proper divisors (34634267).

103902789 is an equidigital number, since it uses as much as digits as its factorization.

103902789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34634266.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 103902789 is about 10193.2717515035. The cubic root of 103902789 is about 470.1203690496.

The spelling of 103902789 in words is "one hundred three million, nine hundred two thousand, seven hundred eighty-nine".