1173012889 has 8 divisors (see below), whose sum is σ = 1185507648. Its totient is φ = 1160535600.

The previous prime is 1173012853. The next prime is 1173012913. The reversal of 1173012889 is 9882103711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1173012889 - 2⁷ = 1173012761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173012809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164884 + ... + 171850.

It is an arithmetic number, because the mean of its divisors is an integer number (148188456).

Almost surely, 2^1173012889 is an apocalyptic number.

It is an amenable number.

1173012889 is a deficient number, since it is larger than the sum of its proper divisors (12494759).

1173012889 is a wasteful number, since it uses less digits than its factorization.

1173012889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 1173012889 is about 34249.2757441672. The cubic root of 1173012889 is about 1054.6319595513.

The spelling of 1173012889 in words is "one billion, one hundred seventy-three million, twelve thousand, eight hundred eighty-nine".