1591072 has 24 divisors (see below), whose sum is σ = 3580416. Its totient is φ = 681792.

The previous prime is 1591033. The next prime is 1591097. The reversal of 1591072 is 2701951.

It is a congruent number.

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, 3328 + ... + 3775.

It is an arithmetic number, because the mean of its divisors is an integer number (149184).

2^1591072 is an apocalyptic number.

It is an amenable number.

1591072 is an abundant number, since it is smaller than the sum of its proper divisors (1989344).

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

1591072 is an equidigital number, since it uses as much as digits as its factorization.

1591072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120 (or 7112 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1591072 is about 1261.3770253180. The cubic root of 1591072 is about 116.7427567125.

The spelling of 1591072 in words is "one million, five hundred ninety-one thousand, seventy-two".