102231140 has 24 divisors (see below), whose sum is σ = 234202752. Its totient is φ = 37174880.

The previous prime is 102231139. The next prime is 102231161. The reversal of 102231140 is 41132201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232124 + ... + 232563.

It is an arithmetic number, because the mean of its divisors is an integer number (9758448).

Almost surely, 2^102231140 is an apocalyptic number.

102231140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102231140 is an abundant number, since it is smaller than the sum of its proper divisors (131971612).

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

102231140 is a wasteful number, since it uses less digits than its factorization.

102231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464707 (or 464705 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102231140 is about 10110.9415980907. The cubic root of 102231140 is about 467.5855353611.

Adding to 102231140 its reverse (41132201), we get a palindrome (143363341).

The spelling of 102231140 in words is "one hundred two million, two hundred thirty-one thousand, one hundred forty".