1402020121402 has 8 divisors (see below), whose sum is σ = 2103050591712. Its totient is φ = 701003257500.

The previous prime is 1402020121379. The next prime is 1402020121421. The reversal of 1402020121402 is 2041210202041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1402020121402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3139974 + ... + 3558577.

It is an arithmetic number, because the mean of its divisors is an integer number (262881323964).

Almost surely, 2^{1402020121402} is an apocalyptic number.

1402020121402 is a deficient number, since it is larger than the sum of its proper divisors (701030470310).

1402020121402 is a wasteful number, since it uses less digits than its factorization.

1402020121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803204.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1402020121402 its reverse (2041210202041), we get a palindrome (3443230323443).

The spelling of 1402020121402 in words is "one trillion, four hundred two billion, twenty million, one hundred twenty-one thousand, four hundred two".