102231092 has 12 divisors (see below), whose sum is σ = 179222820. Its totient is φ = 51024576.

The previous prime is 102231083. The next prime is 102231097. The reversal of 102231092 is 290132201.

It can be written as a sum of positive squares in 2 ways, for example, as 14546596 + 87684496 = 3814^2 + 9364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20183 + ... + 24734.

It is an arithmetic number, because the mean of its divisors is an integer number (14935235).

Almost surely, 2^102231092 is an apocalyptic number.

It is an amenable number.

102231092 is a deficient number, since it is larger than the sum of its proper divisors (76991728).

102231092 is a wasteful number, since it uses less digits than its factorization.

102231092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45490 (or 45488 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102231092 is about 10110.9392244242. The cubic root of 102231092 is about 467.5854621801.

Adding to 102231092 its reverse (290132201), we get a palindrome (392363293).

The spelling of 102231092 in words is "one hundred two million, two hundred thirty-one thousand, ninety-two".