1167040009 has 4 divisors (see below), whose sum is σ = 1181100816. Its totient is φ = 1152979204.

The previous prime is 1167040003. The next prime is 1167040027. The reversal of 1167040009 is 9000407611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1167040009 - 2¹¹ = 1167037961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167040003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7030279 + ... + 7030444.

It is an arithmetic number, because the mean of its divisors is an integer number (295275204).

Almost surely, 2^1167040009 is an apocalyptic number.

It is an amenable number.

1167040009 is a deficient number, since it is larger than the sum of its proper divisors (14060807).

1167040009 is an equidigital number, since it uses as much as digits as its factorization.

1167040009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14060806.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1167040009 is about 34161.9672881993. The cubic root of 1167040009 is about 1052.8388811776.

The spelling of 1167040009 in words is "one billion, one hundred sixty-seven million, forty thousand, nine".