12102903 has 6 divisors (see below), whose sum is σ = 17481984. Its totient is φ = 8068596.

The previous prime is 12102887. The next prime is 12102917. The reversal of 12102903 is 30920121.

It is a happy number.

It is not a de Polignac number, because 12102903 - 2⁴ = 12102887 is a prime.

It is a super-2 number, since 2×12102903² = 292960522054818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672375 + ... + 672392.

It is an arithmetic number, because the mean of its divisors is an integer number (2913664).

Almost surely, 2^12102903 is an apocalyptic number.

12102903 is a deficient number, since it is larger than the sum of its proper divisors (5379081).

12102903 is a wasteful number, since it uses less digits than its factorization.

12102903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344773 (or 1344770 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12102903 is about 3478.9226780715. The cubic root of 12102903 is about 229.5954008374.

The spelling of 12102903 in words is "twelve million, one hundred two thousand, nine hundred three".