1167042489 has 8 divisors (see below), whose sum is σ = 1592244192. Its totient is φ = 759934560.

The previous prime is 1167042467. The next prime is 1167042521. The reversal of 1167042489 is 9842407611.

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

It is not a de Polignac number, because 1167042489 - 2¹² = 1167038393 is a prime.

It is a super-2 number, since 2×1167042489² = 2723976342262630242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1167042489.

It is not an unprimeable number, because it can be changed into a prime (1167042439) 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, 4523292 + ... + 4523549.

It is an arithmetic number, because the mean of its divisors is an integer number (199030524).

Almost surely, 2^1167042489 is an apocalyptic number.

It is an amenable number.

1167042489 is a deficient number, since it is larger than the sum of its proper divisors (425201703).

1167042489 is an equidigital number, since it uses as much as digits as its factorization.

1167042489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046887.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1167042489 is about 34162.0035858554. The cubic root of 1167042489 is about 1052.8396269499.

The spelling of 1167042489 in words is "one billion, one hundred sixty-seven million, forty-two thousand, four hundred eighty-nine".