203012102 has 4 divisors (see below), whose sum is σ = 304518156. Its totient is φ = 101506050.

The previous prime is 203012059. The next prime is 203012111. The reversal of 203012102 is 201210302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50753024 + ... + 50753027.

It is an arithmetic number, because the mean of its divisors is an integer number (76129539).

Almost surely, 2^203012102 is an apocalyptic number.

203012102 is a deficient number, since it is larger than the sum of its proper divisors (101506054).

203012102 is a wasteful number, since it uses less digits than its factorization.

203012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101506053.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 203012102 is about 14248.2315393876. The cubic root of 203012102 is about 587.7247446767.

Adding to 203012102 its reverse (201210302), we get a palindrome (404222404).

The spelling of 203012102 in words is "two hundred three million, twelve thousand, one hundred two".