203404102 has 16 divisors (see below), whose sum is σ = 336142224. Its totient is φ = 91540000.

The previous prime is 203404087. The next prime is 203404129. The reversal of 203404102 is 201404302.

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, 43549 + ... + 47992.

It is an arithmetic number, because the mean of its divisors is an integer number (21008889).

Almost surely, 2^203404102 is an apocalyptic number.

203404102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203404102 is a deficient number, since it is larger than the sum of its proper divisors (132738122).

203404102 is a wasteful number, since it uses less digits than its factorization.

203404102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91655.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203404102 is about 14261.9809984448. The cubic root of 203404102 is about 588.1027844907.

Adding to 203404102 its reverse (201404302), we get a palindrome (404808404).

It can be divided in two parts, 20340 and 4102, that added together give a palindrome (24442).

The spelling of 203404102 in words is "two hundred three million, four hundred four thousand, one hundred two".