1121170117 has 4 divisors (see below), whose sum is σ = 1121318380. Its totient is φ = 1121021856.

The previous prime is 1121170103. The next prime is 1121170123. The reversal of 1121170117 is 7110711211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69205761 + 1051964356 = 8319^2 + 32434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121170117 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 (1121170147) 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, 62142 + ... + 78127.

It is an arithmetic number, because the mean of its divisors is an integer number (280329595).

Almost surely, 2^1121170117 is an apocalyptic number.

It is an amenable number.

1121170117 is a deficient number, since it is larger than the sum of its proper divisors (148263).

1121170117 is an equidigital number, since it uses as much as digits as its factorization.

1121170117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148262.

The product of its (nonzero) digits is 98, while the sum is 22.

The square root of 1121170117 is about 33483.8784641206. The cubic root of 1121170117 is about 1038.8603507838.

Adding to 1121170117 its reverse (7110711211), we get a palindrome (8231881328).

The spelling of 1121170117 in words is "one billion, one hundred twenty-one million, one hundred seventy thousand, one hundred seventeen".