102432018 has 32 divisors (see below), whose sum is σ = 230219136. Its totient is φ = 30146688.

The previous prime is 102432017. The next prime is 102432037. The reversal of 102432018 is 810234201.

It is a junction number, because it is equal to n+sod(n) for n = 102431985 and 102432003.

It is not an unprimeable number, because it can be changed into a prime (102432017) 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, 26755 + ... + 30342.

It is an arithmetic number, because the mean of its divisors is an integer number (7194348).

Almost surely, 2^102432018 is an apocalyptic number.

102432018 is an abundant number, since it is smaller than the sum of its proper divisors (127787118).

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

102432018 is a wasteful number, since it uses less digits than its factorization.

102432018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57138.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 102432018 is about 10120.8704171133. The cubic root of 102432018 is about 467.8915940744.

Adding to 102432018 its reverse (810234201), we get a palindrome (912666219).

The spelling of 102432018 in words is "one hundred two million, four hundred thirty-two thousand, eighteen".