1021264363 has 16 divisors (see below), whose sum is σ = 1207111680. Its totient is φ = 845878176.

The previous prime is 1021264339. The next prime is 1021264369. The reversal of 1021264363 is 3634621201.

It is not a de Polignac number, because 1021264363 - 2²¹ = 1019167211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021264369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6345 + ... + 45637.

It is an arithmetic number, because the mean of its divisors is an integer number (75444480).

Almost surely, 2^1021264363 is an apocalyptic number.

1021264363 is a deficient number, since it is larger than the sum of its proper divisors (185847317).

1021264363 is an equidigital number, since it uses as much as digits as its factorization.

1021264363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39426.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1021264363 is about 31957.2270855905. The cubic root of 1021264363 is about 1007.0384647850.

Adding to 1021264363 its reverse (3634621201), we get a palindrome (4655885564).

The spelling of 1021264363 in words is "one billion, twenty-one million, two hundred sixty-four thousand, three hundred sixty-three".