1144511122 has 4 divisors (see below), whose sum is σ = 1716766686. Its totient is φ = 572255560.

The previous prime is 1144511101. The next prime is 1144511131. The reversal of 1144511122 is 2211154411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211154411 = 23747 ⋅93113.

It can be written as a sum of positive squares in only one way, i.e., 824780961 + 319730161 = 28719^2 + 17881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144511093 and 1144511102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286127779 + ... + 286127782.

Almost surely, 2^1144511122 is an apocalyptic number.

1144511122 is a deficient number, since it is larger than the sum of its proper divisors (572255564).

1144511122 is an equidigital number, since it uses as much as digits as its factorization.

1144511122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572255563.

The product of its digits is 320, while the sum is 22.

The square root of 1144511122 is about 33830.6240261690. The cubic root of 1144511122 is about 1046.0200419759.

Adding to 1144511122 its reverse (2211154411), we get a palindrome (3355665533).

The spelling of 1144511122 in words is "one billion, one hundred forty-four million, five hundred eleven thousand, one hundred twenty-two".