1021233133 has 2 divisors, whose sum is σ = 1021233134. Its totient is φ = 1021233132.

The previous prime is 1021233107. The next prime is 1021233151. The reversal of 1021233133 is 3313321201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 914276169 + 106956964 = 30237^2 + 10342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021233133 - 2⁹ = 1021232621 is a prime.

It is a super-2 number, since 2×1021233133² = 2085834223873991378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021233133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021233533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510616566 + 510616567.

It is an arithmetic number, because the mean of its divisors is an integer number (510616567).

Almost surely, 2^1021233133 is an apocalyptic number.

It is an amenable number.

1021233133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021233133 is an equidigital number, since it uses as much as digits as its factorization.

1021233133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1021233133 is about 31956.7384599868. The cubic root of 1021233133 is about 1007.0281996884.

Adding to 1021233133 its reverse (3313321201), we get a palindrome (4334554334).

It can be divided in two parts, 102 and 1233133, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 1021233133 in words is "one billion, twenty-one million, two hundred thirty-three thousand, one hundred thirty-three".