1142020004 has 24 divisors (see below), whose sum is σ = 2105513760. Its totient is φ = 540495936.

The previous prime is 1142020003. The next prime is 1142020051. The reversal of 1142020004 is 4000202411.

It is not an unprimeable number, because it can be changed into a prime (1142020001) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 93584 + ... + 105080.

It is an arithmetic number, because the mean of its divisors is an integer number (87729740).

Almost surely, 2^1142020004 is an apocalyptic number.

It is an amenable number.

1142020004 is a deficient number, since it is larger than the sum of its proper divisors (963493756).

1142020004 is a wasteful number, since it uses less digits than its factorization.

1142020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827 (or 12825 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1142020004 is about 33793.7864702966. The cubic root of 1142020004 is about 1045.2605758771.

Adding to 1142020004 its reverse (4000202411), we get a palindrome (5142222415).

The spelling of 1142020004 in words is "one billion, one hundred forty-two million, twenty thousand, four".