1135722 has 24 divisors (see below), whose sum is σ = 2642976. Its totient is φ = 324408.

The previous prime is 1135721. The next prime is 1135733. The reversal of 1135722 is 2275311.

It is a super-2 number, since 2×1135722² = 2579728922568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1638 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (110124).

2^1135722 is an apocalyptic number.

1135722 is an abundant number, since it is smaller than the sum of its proper divisors (1507254).

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

1135722 is a wasteful number, since it uses less digits than its factorization.

1135722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3875 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1135722 is about 1065.7025851522. The cubic root of 1135722 is about 104.3335567595. Note that the first 3 decimals are identical.

The spelling of 1135722 in words is "one million, one hundred thirty-five thousand, seven hundred twenty-two".