1180491 has 8 divisors (see below), whose sum is σ = 1695120. Its totient is φ = 726432.

The previous prime is 1180477. The next prime is 1180493. The reversal of 1180491 is 1940811.

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

It is not a de Polignac number, because 1180491 - 2⁶ = 1180427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1180493) 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, 15096 + ... + 15173.

It is an arithmetic number, because the mean of its divisors is an integer number (211890).

2^1180491 is an apocalyptic number.

1180491 is a deficient number, since it is larger than the sum of its proper divisors (514629).

1180491 is a wasteful number, since it uses less digits than its factorization.

1180491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1180491 is about 1086.5040266837. The cubic root of 1180491 is about 105.6868352846.

The spelling of 1180491 in words is "one million, one hundred eighty thousand, four hundred ninety-one".