1047332709 has 12 divisors (see below), whose sum is σ = 1564980300. Its totient is φ = 674145024.

The previous prime is 1047332701. The next prime is 1047332711. The reversal of 1047332709 is 9072337401.

It can be written as a sum of positive squares in 2 ways, for example, as 859779684 + 187553025 = 29322^2 + 13695^2 .

It is not a de Polignac number, because 1047332709 - 2³ = 1047332701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047332701) 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 11 ways as a sum of consecutive naturals, for example, 2006124 + ... + 2006645.

It is an arithmetic number, because the mean of its divisors is an integer number (130415025).

Almost surely, 2^1047332709 is an apocalyptic number.

It is an amenable number.

1047332709 is a deficient number, since it is larger than the sum of its proper divisors (517647591).

1047332709 is a wasteful number, since it uses less digits than its factorization.

1047332709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012804 (or 4012801 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1047332709 is about 32362.5201274561. The cubic root of 1047332709 is about 1015.5349842165.

The spelling of 1047332709 in words is "one billion, forty-seven million, three hundred thirty-two thousand, seven hundred nine".