1121182117 has 4 divisors (see below), whose sum is σ = 1223107776. Its totient is φ = 1019256460.

The previous prime is 1121182093. The next prime is 1121182121. The reversal of 1121182117 is 7112811211.

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: 7112811211 = 11 ⋅646619201.

It is a cyclic number.

It is not a de Polignac number, because 1121182117 - 2¹⁵ = 1121149349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121182091 and 1121182100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121182417) 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, 50962813 + ... + 50962834.

It is an arithmetic number, because the mean of its divisors is an integer number (305776944).

Almost surely, 2^1121182117 is an apocalyptic number.

It is an amenable number.

1121182117 is a deficient number, since it is larger than the sum of its proper divisors (101925659).

1121182117 is a wasteful number, since it uses less digits than its factorization.

1121182117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101925658.

The product of its digits is 224, while the sum is 25.

The square root of 1121182117 is about 33484.0576543525. The cubic root of 1121182117 is about 1038.8640571139.

Adding to 1121182117 its reverse (7112811211), we get a palindrome (8233993328).

The spelling of 1121182117 in words is "one billion, one hundred twenty-one million, one hundred eighty-two thousand, one hundred seventeen".