1020002133 has 4 divisors (see below), whose sum is σ = 1360002848. Its totient is φ = 680001420.

The previous prime is 1020002111. The next prime is 1020002143. The reversal of 1020002133 is 3312000201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020002133 - 2⁹ = 1020001621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170000353 + ... + 170000358.

It is an arithmetic number, because the mean of its divisors is an integer number (340000712).

Almost surely, 2^1020002133 is an apocalyptic number.

It is an amenable number.

1020002133 is a deficient number, since it is larger than the sum of its proper divisors (340000715).

1020002133 is an equidigital number, since it uses as much as digits as its factorization.

1020002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340000714.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1020002133 is about 31937.4722387355. The cubic root of 1020002133 is about 1006.6234112349.

Adding to 1020002133 its reverse (3312000201), we get a palindrome (4332002334).

The spelling of 1020002133 in words is "one billion, twenty million, two thousand, one hundred thirty-three".