1130761 has 4 divisors (see below), whose sum is σ = 1138500. Its totient is φ = 1123024.

The previous prime is 1130741. The next prime is 1130777. The reversal of 1130761 is 1670311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1670311 = 31 ⋅53881.

It can be written as a sum of positive squares in 2 ways, for example, as 59536 + 1071225 = 244^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130761 - 2¹¹ = 1128713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130711) 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, 3646 + ... + 3943.

It is an arithmetic number, because the mean of its divisors is an integer number (284625).

2^1130761 is an apocalyptic number.

It is an amenable number.

1130761 is a deficient number, since it is larger than the sum of its proper divisors (7739).

1130761 is an equidigital number, since it uses as much as digits as its factorization.

1130761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1130761 is about 1063.3724653197. The cubic root of 1130761 is about 104.1814202747.

It can be divided in two parts, 1130 and 761, that added together give a triangular number (1891 = T₆₁).

The spelling of 1130761 in words is "one million, one hundred thirty thousand, seven hundred sixty-one".