1142001322 has 16 divisors (see below), whose sum is σ = 2135691072. Its totient is φ = 444935520.

The previous prime is 1142001307. The next prime is 1142001379. The reversal of 1142001322 is 2231002411.

It is a junction number, because it is equal to n+sod(n) for n = 1142001296 and 1142001305.

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, 3707643 + ... + 3707950.

It is an arithmetic number, because the mean of its divisors is an integer number (133480692).

Almost surely, 2^1142001322 is an apocalyptic number.

1142001322 is a deficient number, since it is larger than the sum of its proper divisors (993689750).

1142001322 is a wasteful number, since it uses less digits than its factorization.

1142001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415613.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1142001322 is about 33793.5100574060. The cubic root of 1142001322 is about 1045.2548761332.

Adding to 1142001322 its reverse (2231002411), we get a palindrome (3373003733).

The spelling of 1142001322 in words is "one billion, one hundred forty-two million, one thousand, three hundred twenty-two".