102504224 has 12 divisors (see below), whose sum is σ = 201805254. Its totient is φ = 51252096.

The previous prime is 102504211. The next prime is 102504229. The reversal of 102504224 is 422405201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 40094224 = 7900^2 + 6332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102504196 and 102504205.

It is not an unprimeable number, because it can be changed into a prime (102504229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601597 + ... + 1601660.

Almost surely, 2^102504224 is an apocalyptic number.

It is an amenable number.

102504224 is a deficient number, since it is larger than the sum of its proper divisors (99301030).

102504224 is an equidigital number, since it uses as much as digits as its factorization.

102504224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203267 (or 3203259 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 102504224 is about 10124.4369720000. The cubic root of 102504224 is about 468.0015097231.

Adding to 102504224 its reverse (422405201), we get a palindrome (524909425).

The spelling of 102504224 in words is "one hundred two million, five hundred four thousand, two hundred twenty-four".