1131048089 has 2 divisors, whose sum is σ = 1131048090. Its totient is φ = 1131048088.

The previous prime is 1131048067. The next prime is 1131048109. The reversal of 1131048089 is 9808401311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750486025 + 380562064 = 27395^2 + 19508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131048089 - 2¹⁶ = 1130982553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131048019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565524044 + 565524045.

It is an arithmetic number, because the mean of its divisors is an integer number (565524045).

Almost surely, 2^1131048089 is an apocalyptic number.

It is an amenable number.

1131048089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131048089 is an equidigital number, since it uses as much as digits as its factorization.

1131048089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1131048089 is about 33631.0583984507. The cubic root of 1131048089 is about 1041.9023640501.

The spelling of 1131048089 in words is "one billion, one hundred thirty-one million, forty-eight thousand, eighty-nine".