102242666 has 16 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 50355360.

The previous prime is 102242663. The next prime is 102242677. The reversal of 102242666 is 666242201.

It is not an unprimeable number, because it can be changed into a prime (102242663) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 53711 + ... + 55581.

It is an arithmetic number, because the mean of its divisors is an integer number (9729720).

Almost surely, 2^102242666 is an apocalyptic number.

102242666 is a deficient number, since it is larger than the sum of its proper divisors (53432854).

102242666 is a wasteful number, since it uses less digits than its factorization.

102242666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 102242666 is about 10111.5115586148. The cubic root of 102242666 is about 467.6031072684.

Adding to 102242666 its reverse (666242201), we get a palindrome (768484867).

The spelling of 102242666 in words is "one hundred two million, two hundred forty-two thousand, six hundred sixty-six".