1174989 has 8 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 737216.

The previous prime is 1174973. The next prime is 1175003. The reversal of 1174989 is 9894711.

It is a happy number.

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 1174989 - 2⁴ = 1174973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1174919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11469 + ... + 11570.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

2^1174989 is an apocalyptic number.

It is an amenable number.

1174989 is a deficient number, since it is larger than the sum of its proper divisors (483891).

1174989 is a wasteful number, since it uses less digits than its factorization.

1174989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23059.

The product of its digits is 18144, while the sum is 39.

The square root of 1174989 is about 1083.9690955004. The cubic root of 1174989 is about 105.5223854327.

The spelling of 1174989 in words is "one million, one hundred seventy-four thousand, nine hundred eighty-nine".