1091352 has 32 divisors (see below), whose sum is σ = 2804400. Its totient is φ = 353664.

The previous prime is 1091339. The next prime is 1091359. The reversal of 1091352 is 2531901.

It is a congruent 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, 274 + ... + 1502.

2^1091352 is an apocalyptic number.

1091352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1091352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402200).

1091352 is an abundant number, since it is smaller than the sum of its proper divisors (1713048).

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

1091352 is a wasteful number, since it uses less digits than its factorization.

1091352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1091352 is about 1044.6779408028. The cubic root of 1091352 is about 102.9567795540.

The spelling of 1091352 in words is "one million, ninety-one thousand, three hundred fifty-two".