102661268 has 6 divisors (see below), whose sum is σ = 179657226. Its totient is φ = 51330632.

The previous prime is 102661241. The next prime is 102661297. The reversal of 102661268 is 862166201.

It can be written as a sum of positive squares in only one way, i.e., 102657424 + 3844 = 10132^2 + 62^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12832655 + ... + 12832662.

It is an arithmetic number, because the mean of its divisors is an integer number (29942871).

Almost surely, 2^102661268 is an apocalyptic number.

It is an amenable number.

102661268 is a deficient number, since it is larger than the sum of its proper divisors (76995958).

102661268 is a wasteful number, since it uses less digits than its factorization.

102661268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25665321 (or 25665319 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 102661268 is about 10132.1896942369. The cubic root of 102661268 is about 468.2403919986.

The spelling of 102661268 in words is "one hundred two million, six hundred sixty-one thousand, two hundred sixty-eight".