1091094 has 32 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 323712.

The previous prime is 1091071. The next prime is 1091119. The reversal of 1091094 is 4901901.

It is a super-2 number, since 2×1091094² = 2380972233672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (76140).

2^1091094 is an apocalyptic number.

1091094 is an abundant number, since it is smaller than the sum of its proper divisors (1345386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091094 is a wasteful number, since it uses less digits than its factorization.

1091094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

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

The square root of 1091094 is about 1044.5544504716. The cubic root of 1091094 is about 102.9486657824.

Adding to 1091094 its reverse (4901901), we get a palindrome (5992995).

The spelling of 1091094 in words is "one million, ninety-one thousand, ninety-four".