1142221114 has 4 divisors (see below), whose sum is σ = 1713331674. Its totient is φ = 571110556.

The previous prime is 1142221103. The next prime is 1142221127. The reversal of 1142221114 is 4111222411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1023040225 + 119180889 = 31985^2 + 10917^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142221091 and 1142221100.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 285555277 + ... + 285555280.

Almost surely, 2^1142221114 is an apocalyptic number.

1142221114 is a deficient number, since it is larger than the sum of its proper divisors (571110560).

1142221114 is an equidigital number, since it uses as much as digits as its factorization.

1142221114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571110559.

The product of its digits is 128, while the sum is 19.

The square root of 1142221114 is about 33796.7618863109. The cubic root of 1142221114 is about 1045.3219291562.

Adding to 1142221114 its reverse (4111222411), we get a palindrome (5253443525).

The spelling of 1142221114 in words is "one billion, one hundred forty-two million, two hundred twenty-one thousand, one hundred fourteen".