1075591 has 8 divisors (see below), whose sum is σ = 1180944. Its totient is φ = 971520.

The previous prime is 1075577. The next prime is 1075601. The reversal of 1075591 is 1955701.

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

It is not a de Polignac number, because 1075591 - 2⁷ = 1075463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (147618).

2^1075591 is an apocalyptic number.

1075591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1075591 is a deficient number, since it is larger than the sum of its proper divisors (105353).

1075591 is a wasteful number, since it uses less digits than its factorization.

1075591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1075591 is about 1037.1070340134. The cubic root of 1075591 is about 102.4587500088.

The spelling of 1075591 in words is "one million, seventy-five thousand, five hundred ninety-one".