102430666 has 8 divisors (see below), whose sum is σ = 165464964. Its totient is φ = 47275680.

The previous prime is 102430663. The next prime is 102430681. The reversal of 102430666 is 666034201.

It can be written as a sum of positive squares in 2 ways, for example, as 96530625 + 5900041 = 9825^2 + 2429^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102430663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1969795 + ... + 1969846.

Almost surely, 2^102430666 is an apocalyptic number.

102430666 is a deficient number, since it is larger than the sum of its proper divisors (63034298).

102430666 is a wasteful number, since it uses less digits than its factorization.

102430666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939656.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 102430666 is about 10120.8036242188. The cubic root of 102430666 is about 467.8895354987.

Adding to 102430666 its reverse (666034201), we get a palindrome (768464867).

The spelling of 102430666 in words is "one hundred two million, four hundred thirty thousand, six hundred sixty-six".