1420242542 has 8 divisors (see below), whose sum is σ = 2182324032. Its totient is φ = 692801200.

The previous prime is 1420242539. The next prime is 1420242557. The reversal of 1420242542 is 2452420241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 8659934 + ... + 8660097.

It is an arithmetic number, because the mean of its divisors is an integer number (272790504).

Almost surely, 2^1420242542 is an apocalyptic number.

1420242542 is a deficient number, since it is larger than the sum of its proper divisors (762081490).

1420242542 is a wasteful number, since it uses less digits than its factorization.

1420242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17320074.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1420242542 is about 37686.1054236173. The cubic root of 1420242542 is about 1124.0548551007.

Adding to 1420242542 its reverse (2452420241), we get a palindrome (3872662783).

The spelling of 1420242542 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, five hundred forty-two".