1140995617 has 2 divisors, whose sum is σ = 1140995618. Its totient is φ = 1140995616.

The previous prime is 1140995593. The next prime is 1140995623. The reversal of 1140995617 is 7165990411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1025024256 + 115971361 = 32016^2 + 10769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140995617 - 2¹¹ = 1140993569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140995627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570497808 + 570497809.

It is an arithmetic number, because the mean of its divisors is an integer number (570497809).

Almost surely, 2^1140995617 is an apocalyptic number.

It is an amenable number.

1140995617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140995617 is an equidigital number, since it uses as much as digits as its factorization.

1140995617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1140995617 is about 33778.6266298676. The cubic root of 1140995617 is about 1044.9479509801.

It can be divided in two parts, 114099 and 5617, that added together give a square (119716 = 346²).

The spelling of 1140995617 in words is "one billion, one hundred forty million, nine hundred ninety-five thousand, six hundred seventeen".