1420530411 has 4 divisors (see below), whose sum is σ = 1894040552. Its totient is φ = 947020272.

The previous prime is 1420530409. The next prime is 1420530431. The reversal of 1420530411 is 1140350241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1420530411 - 2¹ = 1420530409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420530431) 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 3 ways as a sum of consecutive naturals, for example, 236755066 + ... + 236755071.

It is an arithmetic number, because the mean of its divisors is an integer number (473510138).

Almost surely, 2^1420530411 is an apocalyptic number.

1420530411 is a deficient number, since it is larger than the sum of its proper divisors (473510141).

1420530411 is an equidigital number, since it uses as much as digits as its factorization.

1420530411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473510140.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1420530411 is about 37689.9245289772. The cubic root of 1420530411 is about 1124.1307948734.

Adding to 1420530411 its reverse (1140350241), we get a palindrome (2560880652).

The spelling of 1420530411 in words is "one billion, four hundred twenty million, five hundred thirty thousand, four hundred eleven".