1130261 has 6 divisors (see below), whose sum is σ = 1242486. Its totient is φ = 1027400.

The previous prime is 1130257. The next prime is 1130267. The reversal of 1130261 is 1620311.

It can be written as a sum of positive squares in only one way, i.e., 874225 + 256036 = 935^2 + 506^2 .

It is not a de Polignac number, because 1130261 - 2² = 1130257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4550 + ... + 4791.

It is an arithmetic number, because the mean of its divisors is an integer number (207081).

2^1130261 is an apocalyptic number.

1130261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1130261 is a deficient number, since it is larger than the sum of its proper divisors (112225).

1130261 is an equidigital number, since it uses as much as digits as its factorization.

1130261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363 (or 9352 counting only the distinct ones).

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

The square root of 1130261 is about 1063.1373382588. The cubic root of 1130261 is about 104.1660623609.

Adding to 1130261 its reverse (1620311), we get a palindrome (2750572).

The spelling of 1130261 in words is "one million, one hundred thirty thousand, two hundred sixty-one".