1041591 has 4 divisors (see below), whose sum is σ = 1388792. Its totient is φ = 694392.

The previous prime is 1041583. The next prime is 1041617. The reversal of 1041591 is 1951401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1041591 - 2³ = 1041583 is a prime.

It is a super-2 number, since 2×1041591² = 2169823622562, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173596 + ... + 173601.

It is an arithmetic number, because the mean of its divisors is an integer number (347198).

2^1041591 is an apocalyptic number.

1041591 is a deficient number, since it is larger than the sum of its proper divisors (347201).

1041591 is an equidigital number, since it uses as much as digits as its factorization.

1041591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347200.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1041591 is about 1020.5836565417. The cubic root of 1041591 is about 101.3675786937.

Adding to 1041591 its reverse (1951401), we get a palindrome (2992992).

The spelling of 1041591 in words is "one million, forty-one thousand, five hundred ninety-one".