1021052630243 has 2 divisors, whose sum is σ = 1021052630244. Its totient is φ = 1021052630242.

The previous prime is 1021052630239. The next prime is 1021052630287. The reversal of 1021052630243 is 3420362501201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021052630243 - 2² = 1021052630239 is a prime.

It is a super-2 number, since 2×1021052630243² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021052630233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510526315121 + 510526315122.

It is an arithmetic number, because the mean of its divisors is an integer number (510526315122).

Almost surely, 2^{1021052630243} is an apocalyptic number.

1021052630243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021052630243 is an equidigital number, since it uses as much as digits as its factorization.

1021052630243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 1021052630243 in words is "one trillion, twenty-one billion, fifty-two million, six hundred thirty thousand, two hundred forty-three".