It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
Almost surely, 21020401042 is an apocalyptic number.
1020401042 is a wasteful number, since it uses less digits than its factorization.
1020401042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26852680.
The square root of 1020401042 is about 31943.7167843693. The cubic root of 1020401042 is about 1006.7546197195.
Adding to 1020401042 its reverse (2401040201), we get a palindrome (3421441243).
The spelling of 1020401042 in words is "one billion, twenty million, four hundred one thousand, forty-two".