102643602 has 32 divisors (see below), whose sum is σ = 210682944. Its totient is φ = 33326400.

The previous prime is 102643561. The next prime is 102643613. The reversal of 102643602 is 206346201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37852 + ... + 40472.

It is an arithmetic number, because the mean of its divisors is an integer number (6583842).

Almost surely, 2^102643602 is an apocalyptic number.

102643602 is an abundant number, since it is smaller than the sum of its proper divisors (108039342).

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

102643602 is a wasteful number, since it uses less digits than its factorization.

102643602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 102643602 is about 10131.3178807103. The cubic root of 102643602 is about 468.2135321145.

Adding to 102643602 its reverse (206346201), we get a palindrome (308989803).

The spelling of 102643602 in words is "one hundred two million, six hundred forty-three thousand, six hundred two".