1021268359 has 2 divisors, whose sum is σ = 1021268360. Its totient is φ = 1021268358.

The previous prime is 1021268329. The next prime is 1021268377. The reversal of 1021268359 is 9538621201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021268359 - 2⁵ = 1021268327 is a prime.

It is a super-2 number, since 2×1021268359² = 2085978122189105762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021268329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510634179 + 510634180.

It is an arithmetic number, because the mean of its divisors is an integer number (510634180).

Almost surely, 2^1021268359 is an apocalyptic number.

1021268359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021268359 is an equidigital number, since it uses as much as digits as its factorization.

1021268359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1021268359 is about 31957.2896065984. The cubic root of 1021268359 is about 1007.0397782289.

The spelling of 1021268359 in words is "one billion, twenty-one million, two hundred sixty-eight thousand, three hundred fifty-nine".