1081130459 has 4 divisors (see below), whose sum is σ = 1082222400. Its totient is φ = 1080038520.

The previous prime is 1081130447. The next prime is 1081130489. The reversal of 1081130459 is 9540311801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081130459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081130489) 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, 544484 + ... + 546465.

It is an arithmetic number, because the mean of its divisors is an integer number (270555600).

Almost surely, 2^1081130459 is an apocalyptic number.

1081130459 is a deficient number, since it is larger than the sum of its proper divisors (1091941).

1081130459 is an equidigital number, since it uses as much as digits as its factorization.

1081130459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091940.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1081130459 is about 32880.5483378851. The cubic root of 1081130459 is about 1026.3434168270.

The spelling of 1081130459 in words is "one billion, eighty-one million, one hundred thirty thousand, four hundred fifty-nine".