1121153 has 8 divisors (see below), whose sum is σ = 1231200. Its totient is φ = 1012480.

The previous prime is 1121147. The next prime is 1121173. The reversal of 1121153 is 3511211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121153 - 2¹² = 1117057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121143) 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, 2273 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (153900).

2^1121153 is an apocalyptic number.

It is an amenable number.

1121153 is a deficient number, since it is larger than the sum of its proper divisors (110047).

1121153 is a wasteful number, since it uses less digits than its factorization.

1121153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its digits is 30, while the sum is 14.

The square root of 1121153 is about 1058.8451255968. The cubic root of 1121153 is about 103.8855063967.

Adding to 1121153 its reverse (3511211), we get a palindrome (4632364).

The spelling of 1121153 in words is "one million, one hundred twenty-one thousand, one hundred fifty-three".