1167491 has 8 divisors (see below), whose sum is σ = 1298304. Its totient is φ = 1042560.

The previous prime is 1167473. The next prime is 1167539. The reversal of 1167491 is 1947611.

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 1167491 - 2¹⁸ = 905347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167421) 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, 1046 + ... + 1851.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2^1167491 is an apocalyptic number.

1167491 is a deficient number, since it is larger than the sum of its proper divisors (130813).

1167491 is a wasteful number, since it uses less digits than its factorization.

1167491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its digits is 1512, while the sum is 29.

The square root of 1167491 is about 1080.5049745374. The cubic root of 1167491 is about 105.2974483415.

The spelling of 1167491 in words is "one million, one hundred sixty-seven thousand, four hundred ninety-one".