882123121 has 4 divisors (see below), whose sum is σ = 962316144. Its totient is φ = 801930100.

The previous prime is 882123103. The next prime is 882123133. The reversal of 882123121 is 121321288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 882123121 - 2¹⁹ = 881598833 is a prime.

It is a super-3 number, since 3×882123121³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 882123121.

It is not an unprimeable number, because it can be changed into a prime (882123161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40096495 + ... + 40096516.

It is an arithmetic number, because the mean of its divisors is an integer number (240579036).

Almost surely, 2^882123121 is an apocalyptic number.

It is an amenable number.

882123121 is a deficient number, since it is larger than the sum of its proper divisors (80193023).

882123121 is a wasteful number, since it uses less digits than its factorization.

882123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80193022.

The product of its digits is 1536, while the sum is 28.

The square root of 882123121 is about 29700.5575873585. The cubic root of 882123121 is about 959.0540164127.

The spelling of 882123121 in words is "eight hundred eighty-two million, one hundred twenty-three thousand, one hundred twenty-one".