1161353 has 4 divisors (see below), whose sum is σ = 1198848. Its totient is φ = 1123860.

The previous prime is 1161343. The next prime is 1161371. The reversal of 1161353 is 3531611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3531611 = 71 ⋅49741.

It is a cyclic number.

It is not a de Polignac number, because 1161353 - 2⁶ = 1161289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18701 + ... + 18762.

It is an arithmetic number, because the mean of its divisors is an integer number (299712).

2^1161353 is an apocalyptic number.

It is an amenable number.

1161353 is a deficient number, since it is larger than the sum of its proper divisors (37495).

1161353 is an equidigital number, since it uses as much as digits as its factorization.

1161353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37494.

The product of its digits is 270, while the sum is 20.

The square root of 1161353 is about 1077.6608928601. The cubic root of 1161353 is about 105.1125927522.

Adding to 1161353 its reverse (3531611), we get a palindrome (4692964).

The spelling of 1161353 in words is "one million, one hundred sixty-one thousand, three hundred fifty-three".