102112666 has 8 divisors (see below), whose sum is σ = 154338624. Its totient is φ = 50666460.

The previous prime is 102112649. The next prime is 102112679. The reversal of 102112666 is 666211201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102112666.

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 in 3 ways as a sum of consecutive naturals, for example, 194610 + ... + 195133.

It is an arithmetic number, because the mean of its divisors is an integer number (19292328).

Almost surely, 2^102112666 is an apocalyptic number.

102112666 is a deficient number, since it is larger than the sum of its proper divisors (52225958).

102112666 is a wasteful number, since it uses less digits than its factorization.

102112666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389876.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 102112666 is about 10105.0811971008. The cubic root of 102112666 is about 467.4048397923.

Adding to 102112666 its reverse (666211201), we get a palindrome (768323867).

The spelling of 102112666 in words is "one hundred two million, one hundred twelve thousand, six hundred sixty-six".