102235992 has 16 divisors (see below), whose sum is σ = 255590040. Its totient is φ = 34078656.

The previous prime is 102235981. The next prime is 102235999. The reversal of 102235992 is 299532201.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102235999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129893 + ... + 2129940.

Almost surely, 2^102235992 is an apocalyptic number.

102235992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102235992 is an abundant number, since it is smaller than the sum of its proper divisors (153354048).

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

102235992 is a wasteful number, since it uses less digits than its factorization.

102235992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259842 (or 4259838 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 102235992 is about 10111.1815333323. The cubic root of 102235992 is about 467.5929326151.

The spelling of 102235992 in words is "one hundred two million, two hundred thirty-five thousand, nine hundred ninety-two".