1142021002 has 8 divisors (see below), whose sum is σ = 1813798116. Its totient is φ = 537421632.

The previous prime is 1142020991. The next prime is 1142021063. The reversal of 1142021002 is 2001202411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 970384801 + 171636201 = 31151^2 + 13101^2 .

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

It is an unprimeable number.

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, 16794393 + ... + 16794460.

Almost surely, 2^1142021002 is an apocalyptic number.

1142021002 is a deficient number, since it is larger than the sum of its proper divisors (671777114).

1142021002 is a wasteful number, since it uses less digits than its factorization.

1142021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33588872.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1142021002 is about 33793.8012363214. The cubic root of 1142021002 is about 1045.2608803579.

Adding to 1142021002 its reverse (2001202411), we get a palindrome (3143223413).

The spelling of 1142021002 in words is "one billion, one hundred forty-two million, twenty-one thousand, two".