103203134 has 4 divisors (see below), whose sum is σ = 154804704. Its totient is φ = 51601566.

The previous prime is 103203127. The next prime is 103203157. The reversal of 103203134 is 431302301.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25800782 + ... + 25800785.

It is an arithmetic number, because the mean of its divisors is an integer number (38701176).

Almost surely, 2^103203134 is an apocalyptic number.

103203134 is a deficient number, since it is larger than the sum of its proper divisors (51601570).

103203134 is an equidigital number, since it uses as much as digits as its factorization.

103203134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51601569.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103203134 is about 10158.8943296010. The cubic root of 103203134 is about 469.0627678792.

Adding to 103203134 its reverse (431302301), we get a palindrome (534505435).

The spelling of 103203134 in words is "one hundred three million, two hundred three thousand, one hundred thirty-four".