1142166122 has 4 divisors (see below), whose sum is σ = 1713249186. Its totient is φ = 571083060.

The previous prime is 1142166119. The next prime is 1142166167. The reversal of 1142166122 is 2216612411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2216612411 = 13 ⋅170508647.

It can be written as a sum of positive squares in only one way, i.e., 1090914841 + 51251281 = 33029^2 + 7159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142166091 and 1142166100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285541529 + ... + 285541532.

Almost surely, 2^1142166122 is an apocalyptic number.

1142166122 is a deficient number, since it is larger than the sum of its proper divisors (571083064).

1142166122 is an equidigital number, since it uses as much as digits as its factorization.

1142166122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571083063.

The product of its digits is 1152, while the sum is 26.

The square root of 1142166122 is about 33795.9483074525. The cubic root of 1142166122 is about 1045.3051532840.

Adding to 1142166122 its reverse (2216612411), we get a palindrome (3358778533).

The spelling of 1142166122 in words is "one billion, one hundred forty-two million, one hundred sixty-six thousand, one hundred twenty-two".