1013091 has 4 divisors (see below), whose sum is σ = 1350792. Its totient is φ = 675392.

The previous prime is 1013063. The next prime is 1013143. The reversal of 1013091 is 1903101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1903101 = 3 ⋅634367.

It is a cyclic number.

It is not a de Polignac number, because 1013091 - 2¹⁷ = 882019 is a prime.

It is a D-number.

1013091 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013091.

It is not an unprimeable number, because it can be changed into a prime (1013041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168846 + ... + 168851.

It is an arithmetic number, because the mean of its divisors is an integer number (337698).

2^1013091 is an apocalyptic number.

1013091 is a deficient number, since it is larger than the sum of its proper divisors (337701).

1013091 is an equidigital number, since it uses as much as digits as its factorization.

1013091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337700.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1013091 is about 1006.5242172943. The cubic root of 1013091 is about 100.4344762368.

Adding to 1013091 its reverse (1903101), we get a palindrome (2916192).

The spelling of 1013091 in words is "one million, thirteen thousand, ninety-one".