102235698 has 24 divisors (see below), whose sum is σ = 221696748. Its totient is φ = 34049952.

The previous prime is 102235691. The next prime is 102235703. The reversal of 102235698 is 896532201.

It can be written as a sum of positive squares in 2 ways, for example, as 101062809 + 1172889 = 10053^2 + 1083^2 .

It is not an unprimeable number, because it can be changed into a prime (102235691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40036 + ... + 42512.

Almost surely, 2^102235698 is an apocalyptic number.

102235698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102235698 is an abundant number, since it is smaller than the sum of its proper divisors (119461050).

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

102235698 is a wasteful number, since it uses less digits than its factorization.

102235698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778 (or 4775 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 102235698 is about 10111.1669949616. The cubic root of 102235698 is about 467.5924843957.

Adding to 102235698 its reverse (896532201), we get a palindrome (998767899).

The spelling of 102235698 in words is "one hundred two million, two hundred thirty-five thousand, six hundred ninety-eight".