102203120 has 40 divisors (see below), whose sum is σ = 238685616. Its totient is φ = 40698368.

The previous prime is 102203111. The next prime is 102203149. The reversal of 102203120 is 21302201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 15899 + ... + 21381.

Almost surely, 2^102203120 is an apocalyptic number.

102203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203120 is an abundant number, since it is smaller than the sum of its proper divisors (136482496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102203120 is a wasteful number, since it uses less digits than its factorization.

102203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729 (or 5723 counting only the distinct ones).

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

The square root of 102203120 is about 10109.5558755071. Note that the first 3 decimals coincide. The cubic root of 102203120 is about 467.5428120973.

Adding to 102203120 its reverse (21302201), we get a palindrome (123505321).

The spelling of 102203120 in words is "one hundred two million, two hundred three thousand, one hundred twenty".