1141264065 has 16 divisors (see below), whose sum is σ = 1834072128. Its totient is φ = 605990976.

The previous prime is 1141264063. The next prime is 1141264097. The reversal of 1141264065 is 5604621411.

It is not a de Polignac number, because 1141264065 - 2¹ = 1141264063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1141264063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164182 + ... + 170991.

It is an arithmetic number, because the mean of its divisors is an integer number (114629508).

Almost surely, 2^1141264065 is an apocalyptic number.

1141264065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141264065 is a deficient number, since it is larger than the sum of its proper divisors (692808063).

1141264065 is a wasteful number, since it uses less digits than its factorization.

1141264065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335408.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1141264065 is about 33782.6000331532. The cubic root of 1141264065 is about 1045.0298946753.

Adding to 1141264065 its reverse (5604621411), we get a palindrome (6745885476).

The spelling of 1141264065 in words is "one billion, one hundred forty-one million, two hundred sixty-four thousand, sixty-five".