1491054085 has 8 divisors (see below), whose sum is σ = 1827334656. Its totient is φ = 1167463440.

The previous prime is 1491054079. The next prime is 1491054091. The reversal of 1491054085 is 5804501941.

It is an interprime number because it is at equal distance from previous prime (1491054079) and next prime (1491054091).

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

It is not a de Polignac number, because 1491054085 - 2⁹ = 1491053573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172221 + ... + 3172690.

It is an arithmetic number, because the mean of its divisors is an integer number (228416832).

Almost surely, 2^1491054085 is an apocalyptic number.

It is an amenable number.

1491054085 is a deficient number, since it is larger than the sum of its proper divisors (336280571).

1491054085 is an equidigital number, since it uses as much as digits as its factorization.

1491054085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344963.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 1491054085 is about 38614.1694847889. The cubic root of 1491054085 is about 1142.4340332228.

The spelling of 1491054085 in words is "one billion, four hundred ninety-one million, fifty-four thousand, eighty-five".