1420242436 has 12 divisors (see below), whose sum is σ = 2486682828. Its totient is φ = 709761632.

The previous prime is 1420242427. The next prime is 1420242449. The reversal of 1420242436 is 6342420241.

It can be written as a sum of positive squares in 2 ways, for example, as 91202500 + 1329039936 = 9550^2 + 36456^2 .

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 3 ways as a sum of consecutive naturals, for example, 80911 + ... + 96886.

It is an arithmetic number, because the mean of its divisors is an integer number (207223569).

Almost surely, 2^1420242436 is an apocalyptic number.

It is an amenable number.

1420242436 is a deficient number, since it is larger than the sum of its proper divisors (1066440392).

1420242436 is a wasteful number, since it uses less digits than its factorization.

1420242436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179798 (or 179796 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1420242436 is about 37686.1040172634. The cubic root of 1420242436 is about 1124.0548271361.

Adding to 1420242436 its reverse (6342420241), we get a palindrome (7762662677).

The spelling of 1420242436 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, four hundred thirty-six".