882021121 has 2 divisors, whose sum is σ = 882021122. Its totient is φ = 882021120.

The previous prime is 882021073. The next prime is 882021157. The reversal of 882021121 is 121120288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866654721 + 15366400 = 29439^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 882021121 - 2¹⁵ = 881988353 is a prime.

It is a super-2 number, since 2×882021121² = 1555922515780193282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (882021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441010560 + 441010561.

It is an arithmetic number, because the mean of its divisors is an integer number (441010561).

Almost surely, 2^882021121 is an apocalyptic number.

It is an amenable number.

882021121 is a deficient number, since it is larger than the sum of its proper divisors (1).

882021121 is an equidigital number, since it uses as much as digits as its factorization.

882021121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 882021121 is about 29698.8403982378. The cubic root of 882021121 is about 959.0170498117.

The spelling of 882021121 in words is "eight hundred eighty-two million, twenty-one thousand, one hundred twenty-one".