203125042 has 8 divisors (see below), whose sum is σ = 312922476. Its totient is φ = 98817552.

The previous prime is 203125033. The next prime is 203125057. The reversal of 203125042 is 240521302.

It can be written as a sum of positive squares in 2 ways, for example, as 186568281 + 16556761 = 13659^2 + 4069^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 1372393 + ... + 1372540.

Almost surely, 2^203125042 is an apocalyptic number.

203125042 is a deficient number, since it is larger than the sum of its proper divisors (109797434).

203125042 is a wasteful number, since it uses less digits than its factorization.

203125042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744972.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 203125042 is about 14252.1942871966. The cubic root of 203125042 is about 587.8337124455.

Adding to 203125042 its reverse (240521302), we get a palindrome (443646344).

The spelling of 203125042 in words is "two hundred three million, one hundred twenty-five thousand, forty-two".