102204140 has 24 divisors (see below), whose sum is σ = 218680560. Its totient is φ = 40109888.

The previous prime is 102204133. The next prime is 102204169. The reversal of 102204140 is 41402201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47150 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (9111690).

Almost surely, 2^102204140 is an apocalyptic number.

102204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102204140 is an abundant number, since it is smaller than the sum of its proper divisors (116476420).

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

102204140 is a wasteful number, since it uses less digits than its factorization.

102204140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96481 (or 96479 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102204140 is about 10109.6063227012. The cubic root of 102204140 is about 467.5443674708.

Adding to 102204140 its reverse (41402201), we get a palindrome (143606341).

The spelling of 102204140 in words is "one hundred two million, two hundred four thousand, one hundred forty".