1180854491 has 2 divisors, whose sum is σ = 1180854492. Its totient is φ = 1180854490.

The previous prime is 1180854473. The next prime is 1180854547. The reversal of 1180854491 is 1944580811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1180854491 - 2¹⁰ = 1180853467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1180854421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590427245 + 590427246.

It is an arithmetic number, because the mean of its divisors is an integer number (590427246).

Almost surely, 2^1180854491 is an apocalyptic number.

1180854491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180854491 is an equidigital number, since it uses as much as digits as its factorization.

1180854491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 1180854491 is about 34363.5634211588. The cubic root of 1180854491 is about 1056.9768169542.

The spelling of 1180854491 in words is "one billion, one hundred eighty million, eight hundred fifty-four thousand, four hundred ninety-one".