102540304 has 10 divisors (see below), whose sum is σ = 198671870. Its totient is φ = 51270144.

The previous prime is 102540287. The next prime is 102540313. The reversal of 102540304 is 403045201.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 26501904 = 8720^2 + 5148^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204369 + ... + 3204400.

It is an arithmetic number, because the mean of its divisors is an integer number (19867187).

Almost surely, 2^102540304 is an apocalyptic number.

It is an amenable number.

102540304 is a deficient number, since it is larger than the sum of its proper divisors (96131566).

102540304 is an equidigital number, since it uses as much as digits as its factorization.

102540304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408777 (or 6408771 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 102540304 is about 10126.2186427116. The cubic root of 102540304 is about 468.0564131962.

Adding to 102540304 its reverse (403045201), we get a palindrome (505585505).

The spelling of 102540304 in words is "one hundred two million, five hundred forty thousand, three hundred four".