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1112131 is a prime number
BaseRepresentation
bin100001111100001000011
32002111120001
410033201003
5241042011
635500431
712311236
oct4174103
92074501
101112131
1169a619
12457717
132cc287
1420d41d
1516e7c1
hex10f843

1112131 has 2 divisors, whose sum is σ = 1112132. Its totient is φ = 1112130.

The previous prime is 1112129. The next prime is 1112141. The reversal of 1112131 is 1312111.

It is an a-pointer prime, because the next prime (1112141) can be obtained adding 1112131 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112131 - 21 = 1112129 is a prime.

It is a super-2 number, since 2×11121312 = 2473670722322, which contains 22 as substring.

Together with 1112129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1112141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556065 + 556066.

It is an arithmetic number, because the mean of its divisors is an integer number (556066).

21112131 is an apocalyptic number.

1112131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112131 is an equidigital number, since it uses as much as digits as its factorization.

1112131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6, while the sum is 10.

The square root of 1112131 is about 1054.5762182033. The cubic root of 1112131 is about 103.6060974930.

Adding to 1112131 its reverse (1312111), we get a palindrome (2424242).

The spelling of 1112131 in words is "one million, one hundred twelve thousand, one hundred thirty-one".