1091354 has 16 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 490560.

The previous prime is 1091339. The next prime is 1091359. The reversal of 1091354 is 4531901.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1091359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (112860).

2^1091354 is an apocalyptic number.

1091354 is a deficient number, since it is larger than the sum of its proper divisors (714406).

1091354 is a wasteful number, since it uses less digits than its factorization.

1091354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1091354 is about 1044.6788980352. The cubic root of 1091354 is about 102.9568424465.

The spelling of 1091354 in words is "one million, ninety-one thousand, three hundred fifty-four".