1421240434042 has 64 divisors (see below), whose sum is σ = 2541829828608. Its totient is φ = 587464920000.

The previous prime is 1421240434021. The next prime is 1421240434057. The reversal of 1421240434042 is 2404340421241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421240433995 and 1421240434013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26513167 + ... + 26566717.

It is an arithmetic number, because the mean of its divisors is an integer number (39716091072).

Almost surely, 2^{1421240434042} is an apocalyptic number.

1421240434042 is a deficient number, since it is larger than the sum of its proper divisors (1120589394566).

1421240434042 is a wasteful number, since it uses less digits than its factorization.

1421240434042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54955.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1421240434042 its reverse (2404340421241), we get a palindrome (3825580855283).

The spelling of 1421240434042 in words is "one trillion, four hundred twenty-one billion, two hundred forty million, four hundred thirty-four thousand, forty-two".