1120591 has 2 divisors, whose sum is σ = 1120592. Its totient is φ = 1120590.

The previous prime is 1120577. The next prime is 1120607. The reversal of 1120591 is 1950211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1950211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560295 + 560296.

It is an arithmetic number, because the mean of its divisors is an integer number (560296).

2^1120591 is an apocalyptic number.

1120591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120591 is an equidigital number, since it uses as much as digits as its factorization.

1120591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1120591 is about 1058.5797088552. The cubic root of 1120591 is about 103.8681452775.

It can be divided in two parts, 1120 and 591, that added together give a triangular number (1711 = T₅₈).

The spelling of 1120591 in words is "one million, one hundred twenty thousand, five hundred ninety-one".