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1130081 is a prime number
BaseRepresentation
bin100010011111001100001
32010102011212
410103321201
5242130311
640115505
712414461
oct4237141
92112155
101130081
11702057
12465b95
133074b4
14215ba1
15174c8b
hex113e61

1130081 has 2 divisors, whose sum is σ = 1130082. Its totient is φ = 1130080.

The previous prime is 1130057. The next prime is 1130099. The reversal of 1130081 is 1800311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 99856 = 1015^2 + 316^2 .

It is an emirp because it is prime and its reverse (1800311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1130081 is a prime.

It is a super-2 number, since 2×11300812 = 2554166133122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1130011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565040 + 565041.

It is an arithmetic number, because the mean of its divisors is an integer number (565041).

21130081 is an apocalyptic number.

It is an amenable number.

1130081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130081 is an equidigital number, since it uses as much as digits as its factorization.

1130081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1130081 is about 1063.0526797859. The cubic root of 1130081 is about 104.1605324032.

Adding to 1130081 its reverse (1800311), we get a palindrome (2930392).

It can be divided in two parts, 11 and 30081, that multiplied together give a triangular number (330891 = T813).

The spelling of 1130081 in words is "one million, one hundred thirty thousand, eighty-one".