1053002421 has 6 divisors (see below), whose sum is σ = 1521003510. Its totient is φ = 702001608.

The previous prime is 1053002393. The next prime is 1053002437. The reversal of 1053002421 is 1242003501.

It can be written as a sum of positive squares in only one way, i.e., 1001722500 + 51279921 = 31650^2 + 7161^2 .

It is not a de Polignac number, because 1053002421 - 2¹¹ = 1053000373 is a prime.

It is a super-2 number, since 2×1053002421² = 2217628197263722482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053002394 and 1053002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053052421) 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 5 ways as a sum of consecutive naturals, for example, 58500126 + ... + 58500143.

It is an arithmetic number, because the mean of its divisors is an integer number (253500585).

Almost surely, 2^1053002421 is an apocalyptic number.

It is an amenable number.

1053002421 is a deficient number, since it is larger than the sum of its proper divisors (468001089).

1053002421 is a wasteful number, since it uses less digits than its factorization.

1053002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117000275 (or 117000272 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1053002421 is about 32449.9987827427. The cubic root of 1053002421 is about 1017.3642125924.

Adding to 1053002421 its reverse (1242003501), we get a palindrome (2295005922).

The spelling of 1053002421 in words is "one billion, fifty-three million, two thousand, four hundred twenty-one".