1165227575 has 12 divisors (see below), whose sum is σ = 1449257688. Its totient is φ = 929359200.

The previous prime is 1165227571. The next prime is 1165227593. The reversal of 1165227575 is 5757225611.

It is a happy number.

It is not a de Polignac number, because 1165227575 - 2² = 1165227571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165227571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62132 + ... + 78681.

It is an arithmetic number, because the mean of its divisors is an integer number (120771474).

Almost surely, 2^1165227575 is an apocalyptic number.

1165227575 is a deficient number, since it is larger than the sum of its proper divisors (284030113).

1165227575 is a wasteful number, since it uses less digits than its factorization.

1165227575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141154 (or 141149 counting only the distinct ones).

The product of its digits is 147000, while the sum is 41.

The square root of 1165227575 is about 34135.4299079417. The cubic root of 1165227575 is about 1052.2935729200.

The spelling of 1165227575 in words is "one billion, one hundred sixty-five million, two hundred twenty-seven thousand, five hundred seventy-five".