1146697009 has 4 divisors (see below), whose sum is σ = 1152518004. Its totient is φ = 1140876016.

The previous prime is 1146696989. The next prime is 1146697031. The reversal of 1146697009 is 9007966411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 796819984 + 349877025 = 28228^2 + 18705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146697009 - 2⁵ = 1146696977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146697049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910202 + ... + 2910595.

It is an arithmetic number, because the mean of its divisors is an integer number (288129501).

Almost surely, 2^1146697009 is an apocalyptic number.

It is an amenable number.

1146697009 is a deficient number, since it is larger than the sum of its proper divisors (5820995).

1146697009 is an equidigital number, since it uses as much as digits as its factorization.

1146697009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820994.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1146697009 is about 33862.9149513151. The cubic root of 1146697009 is about 1046.6855451966.

The spelling of 1146697009 in words is "one billion, one hundred forty-six million, six hundred ninety-seven thousand, nine".