102130664 has 8 divisors (see below), whose sum is σ = 191495010. Its totient is φ = 51065328.

The previous prime is 102130627. The next prime is 102130669. The reversal of 102130664 is 466031201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 51008164 = 7150^2 + 7142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (102130669) by changing a digit.

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, 6383159 + ... + 6383174.

Almost surely, 2^102130664 is an apocalyptic number.

It is an amenable number.

102130664 is a deficient number, since it is larger than the sum of its proper divisors (89364346).

102130664 is a wasteful number, since it uses less digits than its factorization.

102130664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766339 (or 12766335 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 102130664 is about 10105.9716999406. The cubic root of 102130664 is about 467.4322991939.

Adding to 102130664 its reverse (466031201), we get a palindrome (568161865).

The spelling of 102130664 in words is "one hundred two million, one hundred thirty thousand, six hundred sixty-four".