1142101142 has 64 divisors (see below), whose sum is σ = 2190948480. Its totient is φ = 434294784.

The previous prime is 1142101141. The next prime is 1142101159. The reversal of 1142101142 is 2411012411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142101142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862828 + ... + 1863440.

It is an arithmetic number, because the mean of its divisors is an integer number (34233570).

Almost surely, 2^1142101142 is an apocalyptic number.

1142101142 is a deficient number, since it is larger than the sum of its proper divisors (1048847338).

1142101142 is a wasteful number, since it uses less digits than its factorization.

1142101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1142101142 is about 33794.9869359347. The cubic root of 1142101142 is about 1045.2853297763.

Adding to 1142101142 its reverse (2411012411), we get a palindrome (3553113553).

The spelling of 1142101142 in words is "one billion, one hundred forty-two million, one hundred one thousand, one hundred forty-two".