1420242242 has 8 divisors (see below), whose sum is σ = 2154300300. Its totient is φ = 702142144.

The previous prime is 1420242221. The next prime is 1420242247. The reversal of 1420242242 is 2422420241.

It can be written as a sum of positive squares in 2 ways, for example, as 1380791281 + 39450961 = 37159^2 + 6281^2 .

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

It is a super-2 number, since 2×1420242242² = 4034176051922373128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420242247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3989267 + ... + 3989622.

Almost surely, 2^1420242242 is an apocalyptic number.

1420242242 is a deficient number, since it is larger than the sum of its proper divisors (734058058).

1420242242 is an equidigital number, since it uses as much as digits as its factorization.

1420242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7978980.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1420242242 is about 37686.1014433703. The cubic root of 1420242242 is about 1124.0547759554.

Adding to 1420242242 its reverse (2422420241), we get a palindrome (3842662483).

The spelling of 1420242242 in words is "one billion, four hundred twenty million, two hundred forty-two thousand, two hundred forty-two".