1002140233 has 2 divisors, whose sum is σ = 1002140234. Its totient is φ = 1002140232.

The previous prime is 1002140231. The next prime is 1002140273. The reversal of 1002140233 is 3320412001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875982409 + 126157824 = 29597^2 + 11232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002140233 - 2¹ = 1002140231 is a prime.

Together with 1002140231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1002140231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501070116 + 501070117.

It is an arithmetic number, because the mean of its divisors is an integer number (501070117).

Almost surely, 2^1002140233 is an apocalyptic number.

It is an amenable number.

1002140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002140233 is an equidigital number, since it uses as much as digits as its factorization.

1002140233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1002140233 is about 31656.5985696505. The cubic root of 1002140233 is about 1000.7129026490.

Adding to 1002140233 its reverse (3320412001), we get a palindrome (4322552234).

The spelling of 1002140233 in words is "one billion, two million, one hundred forty thousand, two hundred thirty-three".