1121266117 has 8 divisors (see below), whose sum is σ = 1137072024. Its totient is φ = 1105563648.

The previous prime is 1121266099. The next prime is 1121266147. The reversal of 1121266117 is 7116621211.

It can be written as a sum of positive squares in 4 ways, for example, as 24265476 + 1097000641 = 4926^2 + 33121^2 .

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 1121266117 - 2⁷ = 1121265989 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 (1121266147) 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, 3898 + ... + 47515.

It is an arithmetic number, because the mean of its divisors is an integer number (142134003).

Almost surely, 2^1121266117 is an apocalyptic number.

It is an amenable number.

1121266117 is a deficient number, since it is larger than the sum of its proper divisors (15805907).

1121266117 is a wasteful number, since it uses less digits than its factorization.

1121266117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51719.

The product of its digits is 1008, while the sum is 28.

The square root of 1121266117 is about 33485.3119591262. The cubic root of 1121266117 is about 1038.8900006843.

Adding to 1121266117 its reverse (7116621211), we get a palindrome (8237887328).

The spelling of 1121266117 in words is "one billion, one hundred twenty-one million, two hundred sixty-six thousand, one hundred seventeen".