102661264 has 10 divisors (see below), whose sum is σ = 198906230. Its totient is φ = 51330624.

The previous prime is 102661241. The next prime is 102661297. The reversal of 102661264 is 462166201.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 38340864 = 8020^2 + 6192^2 .

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 as a sum of consecutive naturals, namely, 3208149 + ... + 3208180.

It is an arithmetic number, because the mean of its divisors is an integer number (19890623).

Almost surely, 2^102661264 is an apocalyptic number.

It is an amenable number.

102661264 is a deficient number, since it is larger than the sum of its proper divisors (96244966).

102661264 is an equidigital number, since it uses as much as digits as its factorization.

102661264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416337 (or 6416331 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 102661264 is about 10132.1894968462. The cubic root of 102661264 is about 468.2403859173.

The spelling of 102661264 in words is "one hundred two million, six hundred sixty-one thousand, two hundred sixty-four".