1049091 has 4 divisors (see below), whose sum is σ = 1398792. Its totient is φ = 699392.

The previous prime is 1049089. The next prime is 1049093. The reversal of 1049091 is 1909401.

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

It is an interprime number because it is at equal distance from previous prime (1049089) and next prime (1049093).

It is a cyclic number.

It is not a de Polignac number, because 1049091 - 2¹ = 1049089 is a prime.

It is a super-2 number, since 2×1049091² = 2201183852562, which contains 22 as substring.

It is a D-number.

1049091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1049093) 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, 174846 + ... + 174851.

It is an arithmetic number, because the mean of its divisors is an integer number (349698).

2^1049091 is an apocalyptic number.

1049091 is a deficient number, since it is larger than the sum of its proper divisors (349701).

1049091 is an equidigital number, since it uses as much as digits as its factorization.

1049091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349700.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1049091 is about 1024.2514339751. The cubic root of 1049091 is about 101.6102969187.

The spelling of 1049091 in words is "one million, forty-nine thousand, ninety-one".