102513188 has 12 divisors (see below), whose sum is σ = 180097932. Its totient is φ = 51056640.

The previous prime is 102513167. The next prime is 102513193. The reversal of 102513188 is 881315201.

It can be written as a sum of positive squares in 2 ways, for example, as 78287104 + 24226084 = 8848^2 + 4922^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102513188.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48833 + ... + 50888.

It is an arithmetic number, because the mean of its divisors is an integer number (15008161).

Almost surely, 2^102513188 is an apocalyptic number.

It is an amenable number.

102513188 is a deficient number, since it is larger than the sum of its proper divisors (77584744).

102513188 is a wasteful number, since it uses less digits than its factorization.

102513188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99982 (or 99980 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 102513188 is about 10124.8796536058. The cubic root of 102513188 is about 468.0151515780.

Adding to 102513188 its reverse (881315201), we get a palindrome (983828389).

The spelling of 102513188 in words is "one hundred two million, five hundred thirteen thousand, one hundred eighty-eight".