1024231221025 has 6 divisors (see below), whose sum is σ = 1270046714102. Its totient is φ = 819384976800.

The previous prime is 1024231220953. The next prime is 1024231221029. The reversal of 1024231221025 is 5201221324201.

1024231221025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 177685854784 + 846545366241 = 421528^2 + 920079^2 .

It is not a de Polignac number, because 1024231221025 - 2¹⁹ = 1024230696737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 40969248841 = 1024231221025 / (1 + 0 + 2 + 4 + 2 + 3 + 1 + 2 + 2 + 1 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024231221029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20484624396 + ... + 20484624445.

Almost surely, 2^{1024231221025} is an apocalyptic number.

It is an amenable number.

1024231221025 is a deficient number, since it is larger than the sum of its proper divisors (245815493077).

1024231221025 is an equidigital number, since it uses as much as digits as its factorization.

1024231221025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40969248851 (or 40969248846 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1024231221025 its reverse (5201221324201), we get a palindrome (6225452545226).

The spelling of 1024231221025 in words is "one trillion, twenty-four billion, two hundred thirty-one million, two hundred twenty-one thousand, twenty-five".