1140144122 has 16 divisors (see below), whose sum is σ = 1891550472. Its totient is φ = 511997760.

The previous prime is 1140144121. The next prime is 1140144127. The reversal of 1140144122 is 2214410411.

It can be written as a sum of positive squares in 4 ways, for example, as 787868761 + 352275361 = 28069^2 + 18769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1140144094 and 1140144103.

It is not an unprimeable number, because it can be changed into a prime (1140144121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591629 + ... + 593552.

Almost surely, 2^1140144122 is an apocalyptic number.

1140144122 is a deficient number, since it is larger than the sum of its proper divisors (751406350).

1140144122 is a wasteful number, since it uses less digits than its factorization.

1140144122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185233.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1140144122 is about 33766.0202274417. The cubic root of 1140144122 is about 1044.6879472398.

Adding to 1140144122 its reverse (2214410411), we get a palindrome (3354554533).

The spelling of 1140144122 in words is "one billion, one hundred forty million, one hundred forty-four thousand, one hundred twenty-two".