203120102 has 16 divisors (see below), whose sum is σ = 306888912. Its totient is φ = 100826880.

The previous prime is 203120087. The next prime is 203120111. The reversal of 203120102 is 201021302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297053 + ... + 297735.

It is an arithmetic number, because the mean of its divisors is an integer number (19180557).

Almost surely, 2^203120102 is an apocalyptic number.

203120102 is a deficient number, since it is larger than the sum of its proper divisors (103768810).

203120102 is a wasteful number, since it uses less digits than its factorization.

203120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

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

The square root of 203120102 is about 14252.0209794962. The cubic root of 203120102 is about 587.8289470359.

Adding to 203120102 its reverse (201021302), we get a palindrome (404141404).

The spelling of 203120102 in words is "two hundred three million, one hundred twenty thousand, one hundred two".