1421023102042 has 8 divisors (see below), whose sum is σ = 2176886454336. Its totient is φ = 695394283932.

The previous prime is 1421023102019. The next prime is 1421023102049. The reversal of 1421023102042 is 2402013201241.

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

It is not an unprimeable number, because it can be changed into a prime (1421023102049) 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, 7558633428 + ... + 7558633615.

It is an arithmetic number, because the mean of its divisors is an integer number (272110806792).

Almost surely, 2^{1421023102042} is an apocalyptic number.

1421023102042 is a deficient number, since it is larger than the sum of its proper divisors (755863352294).

1421023102042 is a wasteful number, since it uses less digits than its factorization.

1421023102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15117267092.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1421023102042 its reverse (2402013201241), we get a palindrome (3823036303283).

The spelling of 1421023102042 in words is "one trillion, four hundred twenty-one billion, twenty-three million, one hundred two thousand, forty-two".