102043684 has 6 divisors (see below), whose sum is σ = 178576454. Its totient is φ = 51021840.

The previous prime is 102043681. The next prime is 102043691. The reversal of 102043684 is 486340201.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 20502784 = 9030^2 + 4528^2 .

It is not an unprimeable number, because it can be changed into a prime (102043681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755457 + ... + 12755464.

Almost surely, 2^102043684 is an apocalyptic number.

It is an amenable number.

102043684 is a deficient number, since it is larger than the sum of its proper divisors (76532770).

102043684 is a wasteful number, since it uses less digits than its factorization.

102043684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25510925 (or 25510923 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 102043684 is about 10101.6673871198. The cubic root of 102043684 is about 467.2995646255.

Adding to 102043684 its reverse (486340201), we get a palindrome (588383885).

The spelling of 102043684 in words is "one hundred two million, forty-three thousand, six hundred eighty-four".