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1131041 = 8313627
BaseRepresentation
bin100010100001000100001
32010110111102
410110020201
5242143131
640124145
712420332
oct4241041
92113442
101131041
1170284a
12466655
13307a72
14216289
151751cb
hex114221

1131041 has 4 divisors (see below), whose sum is σ = 1144752. Its totient is φ = 1117332.

The previous prime is 1131023. The next prime is 1131047. The reversal of 1131041 is 1401311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1401311 = 1638597.

It is a cyclic number.

It is not a de Polignac number, because 1131041 - 214 = 1114657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131047) 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, 6731 + ... + 6896.

It is an arithmetic number, because the mean of its divisors is an integer number (286188).

21131041 is an apocalyptic number.

It is an amenable number.

1131041 is a deficient number, since it is larger than the sum of its proper divisors (13711).

1131041 is an equidigital number, since it uses as much as digits as its factorization.

1131041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1131041 is about 1063.5041137673. The cubic root of 1131041 is about 104.1900187290.

Adding to 1131041 its reverse (1401311), we get a palindrome (2532352).

The spelling of 1131041 in words is "one million, one hundred thirty-one thousand, forty-one".

Divisors: 1 83 13627 1131041