102512306 has 8 divisors (see below), whose sum is σ = 165596844. Its totient is φ = 47313360.

The previous prime is 102512297. The next prime is 102512339. The reversal of 102512306 is 603215201.

It can be written as a sum of positive squares in 2 ways, for example, as 99181681 + 3330625 = 9959^2 + 1825^2 .

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

It is a Curzon number.

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, 1971365 + ... + 1971416.

Almost surely, 2^102512306 is an apocalyptic number.

102512306 is a deficient number, since it is larger than the sum of its proper divisors (63084538).

102512306 is a wasteful number, since it uses less digits than its factorization.

102512306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942796.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102512306 is about 10124.8360974388. The cubic root of 102512306 is about 468.0138093424.

Adding to 102512306 its reverse (603215201), we get a palindrome (705727507).

It can be divided in two parts, 1025 and 12306, that added together give a palindrome (13331).

The spelling of 102512306 in words is "one hundred two million, five hundred twelve thousand, three hundred six".