102261650 has 24 divisors (see below), whose sum is σ = 190605360. Its totient is φ = 40818960.

The previous prime is 102261641. The next prime is 102261661. The reversal of 102261650 is 56162201.

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 11 ways as a sum of consecutive naturals, for example, 25481 + ... + 29219.

It is an arithmetic number, because the mean of its divisors is an integer number (7941890).

Almost surely, 2^102261650 is an apocalyptic number.

102261650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102261650 is a deficient number, since it is larger than the sum of its proper divisors (88343710).

102261650 is a wasteful number, since it uses less digits than its factorization.

102261650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 102261650 is about 10112.4502470964. The cubic root of 102261650 is about 467.6320463548.

The spelling of 102261650 in words is "one hundred two million, two hundred sixty-one thousand, six hundred fifty".