1421002104240 has 160 divisors (see below), whose sum is σ = 4611912318720. Its totient is φ = 361459022848.

The previous prime is 1421002104239. The next prime is 1421002104257. The reversal of 1421002104240 is 424012001241.

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, 652242 + ... + 1807601.

It is an arithmetic number, because the mean of its divisors is an integer number (28824451992).

Almost surely, 2^{1421002104240} is an apocalyptic number.

1421002104240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421002104240 is an abundant number, since it is smaller than the sum of its proper divisors (3190910214480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421002104240 is a wasteful number, since it uses less digits than its factorization.

1421002104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459971 (or 2459965 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1421002104240 its reverse (424012001241), we get a palindrome (1845014105481).

The spelling of 1421002104240 in words is "one trillion, four hundred twenty-one billion, two million, one hundred four thousand, two hundred forty".