1170489 has 8 divisors (see below), whose sum is σ = 1576512. Its totient is φ = 772400.

The previous prime is 1170487. The next prime is 1170497. The reversal of 1170489 is 9840711.

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 1170489 - 2¹ = 1170487 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (197064).

2^1170489 is an apocalyptic number.

It is an amenable number.

1170489 is a deficient number, since it is larger than the sum of its proper divisors (406023).

1170489 is a wasteful number, since it uses less digits than its factorization.

1170489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1170489 is about 1081.8913993558. The cubic root of 1170489 is about 105.3875024039.

It can be divided in two parts, 11 and 70489, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 1170489 in words is "one million, one hundred seventy thousand, four hundred eighty-nine".