231126 has 16 divisors (see below), whose sum is σ = 528384. Its totient is φ = 66024.

The previous prime is 231109. The next prime is 231131. The reversal of 231126 is 621132.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 231126.

It is an unprimeable number.

231126 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (33024).

2²³¹¹²⁶ is an apocalyptic number.

231126 is an abundant number, since it is smaller than the sum of its proper divisors (297258).

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

231126 is a wasteful number, since it uses less digits than its factorization.

231126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515.

The product of its digits is 72, while the sum is 15.

The square root of 231126 is about 480.7556551929. The cubic root of 231126 is about 61.3690783551.

Adding to 231126 its reverse (621132), we get a palindrome (852258).

The spelling of 231126 in words is "two hundred thirty-one thousand, one hundred twenty-six".