1420302434 has 16 divisors (see below), whose sum is σ = 2333561400. Its totient is φ = 645329664.

The previous prime is 1420302431. The next prime is 1420302439. The reversal of 1420302434 is 4342030241.

It can be written as a sum of positive squares in 4 ways, for example, as 1075643209 + 344659225 = 32797^2 + 18565^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420302431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719249 + ... + 721220.

Almost surely, 2^1420302434 is an apocalyptic number.

1420302434 is a deficient number, since it is larger than the sum of its proper divisors (913258966).

1420302434 is a wasteful number, since it uses less digits than its factorization.

1420302434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440517.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1420302434 is about 37686.9000317086. The cubic root of 1420302434 is about 1124.0706554412.

Adding to 1420302434 its reverse (4342030241), we get a palindrome (5762332675).

The spelling of 1420302434 in words is "one billion, four hundred twenty million, three hundred two thousand, four hundred thirty-four".