1054244421 has 6 divisors (see below), whose sum is σ = 1522797510. Its totient is φ = 702829608.

The previous prime is 1054244419. The next prime is 1054244479. The reversal of 1054244421 is 1244424501.

It can be written as a sum of positive squares in only one way, i.e., 570684321 + 483560100 = 23889^2 + 21990^2 .

It is not a de Polignac number, because 1054244421 - 2¹ = 1054244419 is a prime.

It is a super-2 number, since 2×1054244421² = 2222862598419250482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054249421) 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 5 ways as a sum of consecutive naturals, for example, 58569126 + ... + 58569143.

It is an arithmetic number, because the mean of its divisors is an integer number (253799585).

Almost surely, 2^1054244421 is an apocalyptic number.

It is an amenable number.

1054244421 is a deficient number, since it is larger than the sum of its proper divisors (468553089).

1054244421 is a wasteful number, since it uses less digits than its factorization.

1054244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117138275 (or 117138272 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1054244421 is about 32469.1302778501. The cubic root of 1054244421 is about 1017.7640438643.

Adding to 1054244421 its reverse (1244424501), we get a palindrome (2298668922).

The spelling of 1054244421 in words is "one billion, fifty-four million, two hundred forty-four thousand, four hundred twenty-one".