1420434425 has 12 divisors (see below), whose sum is σ = 1761812460. Its totient is φ = 1136041920.

The previous prime is 1420434409. The next prime is 1420434427. The reversal of 1420434425 is 5244340241.

It can be written as a sum of positive squares in 6 ways, for example, as 606587641 + 813846784 = 24629^2 + 28528^2 .

It is not a de Polignac number, because 1420434425 - 2⁴ = 1420434409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420434427) 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, 155279 + ... + 164171.

It is an arithmetic number, because the mean of its divisors is an integer number (146817705).

Almost surely, 2^1420434425 is an apocalyptic number.

It is an amenable number.

1420434425 is a deficient number, since it is larger than the sum of its proper divisors (341378035).

1420434425 is an equidigital number, since it uses as much as digits as its factorization.

1420434425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292 (or 15287 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 1420434425 is about 37688.6511432818. The cubic root of 1420434425 is about 1124.1054749300.

Adding to 1420434425 its reverse (5244340241), we get a palindrome (6664774666).

The spelling of 1420434425 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, four hundred twenty-five".