1020252133 has 2 divisors, whose sum is σ = 1020252134. Its totient is φ = 1020252132.

The previous prime is 1020252119. The next prime is 1020252143. The reversal of 1020252133 is 3312520201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672727969 + 347524164 = 25937^2 + 18642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020252133 - 2⁹ = 1020251621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020252133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020252113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510126066 + 510126067.

It is an arithmetic number, because the mean of its divisors is an integer number (510126067).

Almost surely, 2^1020252133 is an apocalyptic number.

It is an amenable number.

1020252133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020252133 is an equidigital number, since it uses as much as digits as its factorization.

1020252133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020252133 is about 31941.3858966702. The cubic root of 1020252133 is about 1006.7056448196.

Adding to 1020252133 its reverse (3312520201), we get a palindrome (4332772334).

The spelling of 1020252133 in words is "one billion, twenty million, two hundred fifty-two thousand, one hundred thirty-three".