1142020002 has 8 divisors (see below), whose sum is σ = 2284040016. Its totient is φ = 380673332.

The previous prime is 1142020001. The next prime is 1142020003. The reversal of 1142020002 is 2000202411.

It is an interprime number because it is at equal distance from previous prime (1142020001) and next prime (1142020003).

It is a sphenic number, since it is the product of 3 distinct primes.

1142020002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142020002.

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 3 ways as a sum of consecutive naturals, for example, 95168328 + ... + 95168339.

It is an arithmetic number, because the mean of its divisors is an integer number (285505002).

Almost surely, 2^1142020002 is an apocalyptic number.

1142020002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142020002 is a wasteful number, since it uses less digits than its factorization.

1142020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190336672.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1142020002 is about 33793.7864407053. The cubic root of 1142020002 is about 1045.2605752669.

Adding to 1142020002 its reverse (2000202411), we get a palindrome (3142222413).

The spelling of 1142020002 in words is "one billion, one hundred forty-two million, twenty thousand, two".