1402121228543 has 16 divisors (see below), whose sum is σ = 1645794178560. Its totient is φ = 1169293172256.

The previous prime is 1402121228509. The next prime is 1402121228597. The reversal of 1402121228543 is 3458221212041.

It is a Cunningham number, because it is equal to 1184112²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402121228543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402121278543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8204198 + ... + 8373356.

It is an arithmetic number, because the mean of its divisors is an integer number (102862136160).

Almost surely, 2^{1402121228543} is an apocalyptic number.

1402121228543 is a deficient number, since it is larger than the sum of its proper divisors (243672950017).

1402121228543 is a wasteful number, since it uses less digits than its factorization.

1402121228543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201206.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 1402121228543 in words is "one trillion, four hundred two billion, one hundred twenty-one million, two hundred twenty-eight thousand, five hundred forty-three".