1020052225 has 6 divisors (see below), whose sum is σ = 1264864790. Its totient is φ = 816041760.

The previous prime is 1020052213. The next prime is 1020052237. The reversal of 1020052225 is 5222500201.

It is an interprime number because it is at equal distance from previous prime (1020052213) and next prime (1020052237).

It can be written as a sum of positive squares in 3 ways, for example, as 3207681 + 1016844544 = 1791^2 + 31888^2 .

It is not a de Polignac number, because 1020052225 - 2¹¹ = 1020050177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20401020 + ... + 20401069.

Almost surely, 2^1020052225 is an apocalyptic number.

It is an amenable number.

1020052225 is a deficient number, since it is larger than the sum of its proper divisors (244812565).

1020052225 is an equidigital number, since it uses as much as digits as its factorization.

1020052225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40802099 (or 40802094 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1020052225 is about 31938.2564489673. The cubic root of 1020052225 is about 1006.6398892901.

Adding to 1020052225 its reverse (5222500201), we get a palindrome (6242552426).

The spelling of 1020052225 in words is "one billion, twenty million, fifty-two thousand, two hundred twenty-five".