1121343153 has 16 divisors (see below), whose sum is σ = 1750390656. Its totient is φ = 625138560.

The previous prime is 1121343133. The next prime is 1121343161. The reversal of 1121343153 is 3513431211.

It is not a de Polignac number, because 1121343153 - 2⁶ = 1121343089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121343133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650326 + ... + 652047.

It is an arithmetic number, because the mean of its divisors is an integer number (109399416).

Almost surely, 2^1121343153 is an apocalyptic number.

It is an amenable number.

1121343153 is a deficient number, since it is larger than the sum of its proper divisors (629047503).

1121343153 is a wasteful number, since it uses less digits than its factorization.

1121343153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302424.

The product of its digits is 1080, while the sum is 24.

The square root of 1121343153 is about 33486.4622347599. The cubic root of 1121343153 is about 1038.9137922702.

Adding to 1121343153 its reverse (3513431211), we get a palindrome (4634774364).

The spelling of 1121343153 in words is "one billion, one hundred twenty-one million, three hundred forty-three thousand, one hundred fifty-three".