Search a number
131126 = 265563
BaseRepresentation
bin100000000000110110
320122212112
4200000312
513144001
62451022
71054202
oct400066
9218775
10131126
118a576
1263a72
13478b8
1435b02
1528cbb
hex20036

131126 has 4 divisors (see below), whose sum is σ = 196692. Its totient is φ = 65562.

The previous prime is 131113. The next prime is 131129. The reversal of 131126 is 621131.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131126.

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 131126.

It is not an unprimeable number, because it can be changed into a prime (131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780 + ... + 32783.

It is an arithmetic number, because the mean of its divisors is an integer number (49173).

2131126 is an apocalyptic number.

131126 is a deficient number, since it is larger than the sum of its proper divisors (65566).

131126 is an equidigital number, since it uses as much as digits as its factorization.

131126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65565.

The product of its digits is 36, while the sum is 14.

The square root of 131126 is about 362.1132419562. The cubic root of 131126 is about 50.8038085887.

Adding to 131126 its reverse (621131), we get a palindrome (752257).

The spelling of 131126 in words is "one hundred thirty-one thousand, one hundred twenty-six".

Divisors: 1 2 65563 131126