1122730161 has 16 divisors (see below), whose sum is σ = 1716924288. Its totient is φ = 639273600.

The previous prime is 1122730153. The next prime is 1122730163. The reversal of 1122730161 is 1610372211.

It is not a de Polignac number, because 1122730161 - 2³ = 1122730153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122730163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89230 + ... + 101031.

It is an arithmetic number, because the mean of its divisors is an integer number (107307768).

Almost surely, 2^1122730161 is an apocalyptic number.

It is an amenable number.

1122730161 is a deficient number, since it is larger than the sum of its proper divisors (594194127).

1122730161 is a wasteful number, since it uses less digits than its factorization.

1122730161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190552.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1122730161 is about 33507.1658156878. The cubic root of 1122730161 is about 1039.3419656979.

The spelling of 1122730161 in words is "one billion, one hundred twenty-two million, seven hundred thirty thousand, one hundred sixty-one".