1130641 has 2 divisors, whose sum is σ = 1130642. Its totient is φ = 1130640.

The previous prime is 1130639. The next prime is 1130651. The reversal of 1130641 is 1460311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633616 + 497025 = 796^2 + 705^2 .

It is an emirp because it is prime and its reverse (1460311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130641 - 2¹ = 1130639 is a prime.

Together with 1130639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1130621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565320 + 565321.

It is an arithmetic number, because the mean of its divisors is an integer number (565321).

2^1130641 is an apocalyptic number.

1130641 is the 673-rd centered pentagonal number.

It is an amenable number.

1130641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130641 is an equidigital number, since it uses as much as digits as its factorization.

1130641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1130641 is about 1063.3160395668. The cubic root of 1130641 is about 104.1777347884.

Adding to 1130641 its reverse (1460311), we get a palindrome (2590952).

It can be divided in two parts, 1130 and 641, that added together give a palindrome (1771).

The spelling of 1130641 in words is "one million, one hundred thirty thousand, six hundred forty-one".