1167209449 has 32 divisors (see below), whose sum is σ = 1397664000. Its totient is φ = 974010240.

The previous prime is 1167209419. The next prime is 1167209467. The reversal of 1167209449 is 9449027611.

It is not a de Polignac number, because 1167209449 - 2⁷ = 1167209321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167209419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772259 + ... + 2772679.

It is an arithmetic number, because the mean of its divisors is an integer number (43677000).

Almost surely, 2^1167209449 is an apocalyptic number.

It is an amenable number.

1167209449 is a deficient number, since it is larger than the sum of its proper divisors (230454551).

1167209449 is an equidigital number, since it uses as much as digits as its factorization.

1167209449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1167209449 is about 34164.4471490466. The cubic root of 1167209449 is about 1052.8898318407.

The spelling of 1167209449 in words is "one billion, one hundred sixty-seven million, two hundred nine thousand, four hundred forty-nine".