1021332149 has 2 divisors, whose sum is σ = 1021332150. Its totient is φ = 1021332148.

The previous prime is 1021332133. The next prime is 1021332161. The reversal of 1021332149 is 9412331201.

1021332149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522122500 + 499209649 = 22850^2 + 22343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021332149 - 2⁴ = 1021332133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021332449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510666074 + 510666075.

It is an arithmetic number, because the mean of its divisors is an integer number (510666075).

Almost surely, 2^1021332149 is an apocalyptic number.

It is an amenable number.

1021332149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021332149 is an equidigital number, since it uses as much as digits as its factorization.

1021332149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1021332149 is about 31958.2876418622. The cubic root of 1021332149 is about 1007.0607448793.

The spelling of 1021332149 in words is "one billion, twenty-one million, three hundred thirty-two thousand, one hundred forty-nine".