1130840687 has 2 divisors, whose sum is σ = 1130840688. Its totient is φ = 1130840686.

The previous prime is 1130840677. The next prime is 1130840707. The reversal of 1130840687 is 7860480311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1130840687 - 2³⁰ = 57098863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1130840687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130840677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565420343 + 565420344.

It is an arithmetic number, because the mean of its divisors is an integer number (565420344).

Almost surely, 2^1130840687 is an apocalyptic number.

1130840687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130840687 is an equidigital number, since it uses as much as digits as its factorization.

1130840687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1130840687 is about 33627.9747680410. The cubic root of 1130840687 is about 1041.8386750859.

The spelling of 1130840687 in words is "one billion, one hundred thirty million, eight hundred forty thousand, six hundred eighty-seven".