1180244491 has 8 divisors (see below), whose sum is σ = 1214229744. Its totient is φ = 1146506880.

The previous prime is 1180244473. The next prime is 1180244497. The reversal of 1180244491 is 1944420811.

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 1180244491 - 2⁵ = 1180244459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180244497) 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, 52221 + ... + 71326.

It is an arithmetic number, because the mean of its divisors is an integer number (151778718).

Almost surely, 2^1180244491 is an apocalyptic number.

1180244491 is a deficient number, since it is larger than the sum of its proper divisors (33985253).

1180244491 is a wasteful number, since it uses less digits than its factorization.

1180244491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123821.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1180244491 is about 34354.6865944080. The cubic root of 1180244491 is about 1056.7947829789.

The spelling of 1180244491 in words is "one billion, one hundred eighty million, two hundred forty-four thousand, four hundred ninety-one".