1491080 has 16 divisors (see below), whose sum is σ = 3355020. Its totient is φ = 596416.

The previous prime is 1491079. The next prime is 1491097. The reversal of 1491080 is 801941.

It can be written as a sum of positive squares in 2 ways, for example, as 1214404 + 276676 = 1102^2 + 526^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18599 + ... + 18678.

2^1491080 is an apocalyptic number.

1491080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1491080 is an abundant number, since it is smaller than the sum of its proper divisors (1863940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1491080 is a wasteful number, since it uses less digits than its factorization.

1491080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37288 (or 37284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1491080 is about 1221.0978666757. The cubic root of 1491080 is about 114.2440651808.

The spelling of 1491080 in words is "one million, four hundred ninety-one thousand, eighty".