1421114042 has 4 divisors (see below), whose sum is σ = 2131671066. Its totient is φ = 710557020.

The previous prime is 1421114027. The next prime is 1421114047. The reversal of 1421114042 is 2404111241.

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

It can be written as a sum of positive squares in only one way, i.e., 1147244641 + 273869401 = 33871^2 + 16549^2 .

It is not an unprimeable number, because it can be changed into a prime (1421114047) 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 as a sum of consecutive naturals, namely, 355278509 + ... + 355278512.

Almost surely, 2^1421114042 is an apocalyptic number.

1421114042 is a deficient number, since it is larger than the sum of its proper divisors (710557024).

1421114042 is an equidigital number, since it uses as much as digits as its factorization.

1421114042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710557023.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1421114042 is about 37697.6662672903. Note that the first 3 decimals coincide. The cubic root of 1421114042 is about 1124.2847251107.

Adding to 1421114042 its reverse (2404111241), we get a palindrome (3825225283).

The spelling of 1421114042 in words is "one billion, four hundred twenty-one million, one hundred fourteen thousand, forty-two".