1053091 has 8 divisors (see below), whose sum is σ = 1154160. Its totient is φ = 954912.

The previous prime is 1053089. The next prime is 1053097. The reversal of 1053091 is 1903501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053091 - 2¹ = 1053089 is a prime.

It is a super-2 number, since 2×1053091² = 2218001308562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (144270).

2^1053091 is an apocalyptic number.

1053091 is a deficient number, since it is larger than the sum of its proper divisors (101069).

1053091 is a wasteful number, since it uses less digits than its factorization.

1053091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1053091 is about 1026.2022217867. The cubic root of 1053091 is about 101.7392738826.

Adding to 1053091 its reverse (1903501), we get a palindrome (2956592).

The spelling of 1053091 in words is "one million, fifty-three thousand, ninety-one".