1142001422 has 16 divisors (see below), whose sum is σ = 1809594000. Its totient is φ = 539017920.

The previous prime is 1142001397. The next prime is 1142001431. The reversal of 1142001422 is 2241002411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142001422.

It is a congruent number.

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, 42797 + ... + 64152.

It is an arithmetic number, because the mean of its divisors is an integer number (113099625).

Almost surely, 2^1142001422 is an apocalyptic number.

1142001422 is a deficient number, since it is larger than the sum of its proper divisors (667592578).

1142001422 is a wasteful number, since it uses less digits than its factorization.

1142001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107251.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1142001422 is about 33793.5115369800. The cubic root of 1142001422 is about 1045.2549066426.

Adding to 1142001422 its reverse (2241002411), we get a palindrome (3383003833).

The spelling of 1142001422 in words is "one billion, one hundred forty-two million, one thousand, four hundred twenty-two".