102066002 has 4 divisors (see below), whose sum is σ = 153099006. Its totient is φ = 51033000.

The previous prime is 102065989. The next prime is 102066023. The reversal of 102066002 is 200660201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86471401 + 15594601 = 9299^2 + 3949^2 .

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, 25516499 + ... + 25516502.

Almost surely, 2^102066002 is an apocalyptic number.

102066002 is a deficient number, since it is larger than the sum of its proper divisors (51033004).

102066002 is an equidigital number, since it uses as much as digits as its factorization.

102066002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51033003.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102066002 is about 10102.7719958435. The cubic root of 102066002 is about 467.3336298776. Note that the first 3 decimals are identical.

The spelling of 102066002 in words is "one hundred two million, sixty-six thousand, two".