789120001221121 has 8 divisors (see below), whose sum is σ = 796950976046400. Its totient is φ = 781289377484400.

The previous prime is 789120001221107. The next prime is 789120001221289. The reversal of 789120001221121 is 121122100021987.

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

It is a cyclic number.

It is not a de Polignac number, because 789120001221121 - 2³³ = 789111411286529 is a prime.

It is a super-2 number, since 2×789120001221121² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789120001221521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83253411 + ... + 92246248.

It is an arithmetic number, because the mean of its divisors is an integer number (99618872005800).

Almost surely, 2^{789120001221121} is an apocalyptic number.

It is an amenable number.

789120001221121 is a deficient number, since it is larger than the sum of its proper divisors (7830974825279).

789120001221121 is a wasteful number, since it uses less digits than its factorization.

789120001221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175544279.

The product of its (nonzero) digits is 8064, while the sum is 37.

The spelling of 789120001221121 in words is "seven hundred eighty-nine trillion, one hundred twenty billion, one million, two hundred twenty-one thousand, one hundred twenty-one".