1072964009 has 4 divisors (see below), whose sum is σ = 1155499716. Its totient is φ = 990428304.

The previous prime is 1072963979. The next prime is 1072964023. The reversal of 1072964009 is 9004692701.

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 152448409 + 920515600 = 12347^2 + 30340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072964009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072964059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41267834 + ... + 41267859.

It is an arithmetic number, because the mean of its divisors is an integer number (288874929).

Almost surely, 2^1072964009 is an apocalyptic number.

It is an amenable number.

1072964009 is a deficient number, since it is larger than the sum of its proper divisors (82535707).

1072964009 is an equidigital number, since it uses as much as digits as its factorization.

1072964009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82535706.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1072964009 is about 32756.1293348283. The cubic root of 1072964009 is about 1023.7526795415.

The spelling of 1072964009 in words is "one billion, seventy-two million, nine hundred sixty-four thousand, nine".