1021132243 has 2 divisors, whose sum is σ = 1021132244. Its totient is φ = 1021132242.

The previous prime is 1021132237. The next prime is 1021132247. The reversal of 1021132243 is 3422311201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021132243 - 2¹⁷ = 1021001171 is a prime.

It is a super-2 number, since 2×1021132243² = 2085422115388422098, 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 1021132243.

It is not a weakly prime, because it can be changed into another prime (1021132247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510566121 + 510566122.

It is an arithmetic number, because the mean of its divisors is an integer number (510566122).

Almost surely, 2^1021132243 is an apocalyptic number.

1021132243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021132243 is an equidigital number, since it uses as much as digits as its factorization.

1021132243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021132243 is about 31955.1598806828. The cubic root of 1021132243 is about 1006.9950363758.

Adding to 1021132243 its reverse (3422311201), we get a palindrome (4443443444).

The spelling of 1021132243 in words is "one billion, twenty-one million, one hundred thirty-two thousand, two hundred forty-three".