1121170505 has 24 divisors (see below), whose sum is σ = 1664989632. Its totient is φ = 709660224.

The previous prime is 1121170481. The next prime is 1121170541. The reversal of 1121170505 is 5050711211.

It is not a de Polignac number, because 1121170505 - 2⁸ = 1121170249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88859 + ... + 100688.

It is an arithmetic number, because the mean of its divisors is an integer number (69374568).

Almost surely, 2^1121170505 is an apocalyptic number.

It is an amenable number.

1121170505 is a deficient number, since it is larger than the sum of its proper divisors (543819127).

1121170505 is a wasteful number, since it uses less digits than its factorization.

1121170505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189585 (or 189572 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1121170505 is about 33483.8842579531. The cubic root of 1121170505 is about 1038.8604706222.

Adding to 1121170505 its reverse (5050711211), we get a palindrome (6171881716).

The spelling of 1121170505 in words is "one billion, one hundred twenty-one million, one hundred seventy thousand, five hundred five".