1054045321 has 12 divisors (see below), whose sum is σ = 1242934932. Its totient is φ = 891088128.

The previous prime is 1054045301. The next prime is 1054045327. The reversal of 1054045321 is 1235404501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 344622096 + 709423225 = 18564^2 + 26635^2 .

It is not a de Polignac number, because 1054045321 - 2¹¹ = 1054043273 is a prime.

It is a super-2 number, since 2×1054045321² = 2222023077443986082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054045327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143760 + ... + 150913.

It is an arithmetic number, because the mean of its divisors is an integer number (103577911).

Almost surely, 2^1054045321 is an apocalyptic number.

It is an amenable number.

1054045321 is a deficient number, since it is larger than the sum of its proper divisors (188889611).

1054045321 is an equidigital number, since it uses as much as digits as its factorization.

1054045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294760 (or 294753 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1054045321 is about 32466.0641439642. The cubic root of 1054045321 is about 1017.6999696721.

Adding to 1054045321 its reverse (1235404501), we get a palindrome (2289449822).

The spelling of 1054045321 in words is "one billion, fifty-four million, forty-five thousand, three hundred twenty-one".