1420159225 has 9 divisors (see below), whose sum is σ = 1761231117. Its totient is φ = 1135976640.

The previous prime is 1420159207. The next prime is 1420159231. The reversal of 1420159225 is 5229510241.

The square root of 1420159225 is 37685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 62678889 + 1357480336 = 7917^2 + 36844^2 .

It is not a de Polignac number, because 1420159225 - 2¹¹ = 1420157177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 184657 + ... + 192193.

Almost surely, 2^1420159225 is an apocalyptic number.

1420159225 is the 37685-th square number.

1420159225 is the 18843-rd centered octagonal number.

It is an amenable number.

1420159225 is a deficient number, since it is larger than the sum of its proper divisors (341071892).

1420159225 is an frugal number, since it uses more digits than its factorization.

1420159225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15084 (or 7542 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The cubic root of 1420159225 is about 1124.0328741815.

Adding to 1420159225 its reverse (5229510241), we get a palindrome (6649669466).

The spelling of 1420159225 in words is "one billion, four hundred twenty million, one hundred fifty-nine thousand, two hundred twenty-five".