102003075 has 18 divisors (see below), whose sum is σ = 182699244. Its totient is φ = 54401520.

The previous prime is 102003071. The next prime is 102003127. The reversal of 102003075 is 570300201.

It is not a de Polignac number, because 102003075 - 2² = 102003071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102003071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 226449 + ... + 226898.

It is an arithmetic number, because the mean of its divisors is an integer number (10149958).

Almost surely, 2^102003075 is an apocalyptic number.

102003075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102003075 is a deficient number, since it is larger than the sum of its proper divisors (80696169).

102003075 is a wasteful number, since it uses less digits than its factorization.

102003075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453363 (or 453355 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 102003075 is about 10099.6571723995. The cubic root of 102003075 is about 467.2375680206.

Adding to 102003075 its reverse (570300201), we get a palindrome (672303276).

The spelling of 102003075 in words is "one hundred two million, three thousand, seventy-five".