1121346505 has 8 divisors (see below), whose sum is σ = 1365700032. Its totient is φ = 883687728.

The previous prime is 1121346487. The next prime is 1121346521. The reversal of 1121346505 is 5056431211.

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 1121346505 - 2¹¹ = 1121344457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1673317 + ... + 1673986.

It is an arithmetic number, because the mean of its divisors is an integer number (170712504).

Almost surely, 2^1121346505 is an apocalyptic number.

It is an amenable number.

1121346505 is a deficient number, since it is larger than the sum of its proper divisors (244353527).

1121346505 is an equidigital number, since it uses as much as digits as its factorization.

1121346505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347375.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1121346505 is about 33486.5122847991. The cubic root of 1121346505 is about 1038.9148274679.

Adding to 1121346505 its reverse (5056431211), we get a palindrome (6177777716).

The spelling of 1121346505 in words is "one billion, one hundred twenty-one million, three hundred forty-six thousand, five hundred five".