1421720875276 has 24 divisors (see below), whose sum is σ = 2711678934384. Its totient is φ = 648273094080.

The previous prime is 1421720875217. The next prime is 1421720875313. The reversal of 1421720875276 is 6725780271241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164699215 + ... + 164707846.

It is an arithmetic number, because the mean of its divisors is an integer number (112986622266).

Almost surely, 2^{1421720875276} is an apocalyptic number.

It is an amenable number.

1421720875276 is a deficient number, since it is larger than the sum of its proper divisors (1289958059108).

1421720875276 is a wasteful number, since it uses less digits than its factorization.

1421720875276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329407161 (or 329407159 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 1421720875276 in words is "one trillion, four hundred twenty-one billion, seven hundred twenty million, eight hundred seventy-five thousand, two hundred seventy-six".