1142243120122 has 16 divisors (see below), whose sum is σ = 1904683318272. Its totient is φ = 510183030960.

The previous prime is 1142243120101. The next prime is 1142243120147. The reversal of 1142243120122 is 2210213422411.

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, 708586738 + ... + 708588349.

It is an arithmetic number, because the mean of its divisors is an integer number (119042707392).

Almost surely, 2^{1142243120122} is an apocalyptic number.

1142243120122 is a deficient number, since it is larger than the sum of its proper divisors (762440198150).

1142243120122 is a wasteful number, since it uses less digits than its factorization.

1142243120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417175133.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1142243120122 its reverse (2210213422411), we get a palindrome (3352456542533).

The spelling of 1142243120122 in words is "one trillion, one hundred forty-two billion, two hundred forty-three million, one hundred twenty thousand, one hundred twenty-two".