102642366 has 32 divisors (see below), whose sum is σ = 211542048. Its totient is φ = 33177600.

The previous prime is 102642349. The next prime is 102642367. The reversal of 102642366 is 663246201.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102642367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88446 + ... + 89598.

It is an arithmetic number, because the mean of its divisors is an integer number (6610689).

Almost surely, 2^102642366 is an apocalyptic number.

102642366 is an abundant number, since it is smaller than the sum of its proper divisors (108899682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102642366 is a wasteful number, since it uses less digits than its factorization.

102642366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 102642366 is about 10131.2568815523. The cubic root of 102642366 is about 468.2116527499.

Adding to 102642366 its reverse (663246201), we get a palindrome (765888567).

The spelling of 102642366 in words is "one hundred two million, six hundred forty-two thousand, three hundred sixty-six".