1126221065 has 8 divisors (see below), whose sum is σ = 1352090880. Its totient is φ = 900559792.

The previous prime is 1126221011. The next prime is 1126221139. The reversal of 1126221065 is 5601226211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1126221065 - 2⁶ = 1126221001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39995 + ... + 62064.

It is an arithmetic number, because the mean of its divisors is an integer number (169011360).

Almost surely, 2^1126221065 is an apocalyptic number.

It is an amenable number.

1126221065 is a deficient number, since it is larger than the sum of its proper divisors (225869815).

1126221065 is a wasteful number, since it uses less digits than its factorization.

1126221065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104271.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1126221065 is about 33559.2172882503. The cubic root of 1126221065 is about 1040.4180595515.

Adding to 1126221065 its reverse (5601226211), we get a palindrome (6727447276).

The spelling of 1126221065 in words is "one billion, one hundred twenty-six million, two hundred twenty-one thousand, sixty-five".