102204504 has 80 divisors (see below), whose sum is σ = 289093200. Its totient is φ = 33732288.

The previous prime is 102204503. The next prime is 102204517. The reversal of 102204504 is 405402201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102204503) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 69909 + ... + 71355.

It is an arithmetic number, because the mean of its divisors is an integer number (3613665).

Almost surely, 2^102204504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102204504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144546600).

102204504 is an abundant number, since it is smaller than the sum of its proper divisors (186888696).

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

102204504 is a wasteful number, since it uses less digits than its factorization.

102204504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 102204504 is about 10109.6243253644. The cubic root of 102204504 is about 467.5449225232.

Adding to 102204504 its reverse (405402201), we get a palindrome (507606705).

The spelling of 102204504 in words is "one hundred two million, two hundred four thousand, five hundred four".