1121118263 has 8 divisors (see below), whose sum is σ = 1128418896. Its totient is φ = 1113840000.

The previous prime is 1121118259. The next prime is 1121118283. The reversal of 1121118263 is 3628111211.

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 1121118263 - 2² = 1121118259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121118203) 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, 101513 + ... + 112013.

It is an arithmetic number, because the mean of its divisors is an integer number (141052362).

Almost surely, 2^1121118263 is an apocalyptic number.

1121118263 is a deficient number, since it is larger than the sum of its proper divisors (7300633).

1121118263 is a wasteful number, since it uses less digits than its factorization.

1121118263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185.

The product of its digits is 576, while the sum is 26.

The square root of 1121118263 is about 33483.1041422387. The cubic root of 1121118263 is about 1038.8443348095.

Adding to 1121118263 its reverse (3628111211), we get a palindrome (4749229474).

The spelling of 1121118263 in words is "one billion, one hundred twenty-one million, one hundred eighteen thousand, two hundred sixty-three".