881121204 has 18 divisors (see below), whose sum is σ = 2227278690. Its totient is φ = 293707056.

The previous prime is 881121151. The next prime is 881121233. The reversal of 881121204 is 402121188.

881121204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 785120400 + 96000804 = 28020^2 + 9798^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×881121204² = 1552749152276819232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12237759 + ... + 12237830.

It is an arithmetic number, because the mean of its divisors is an integer number (123737705).

Almost surely, 2^881121204 is an apocalyptic number.

It is an amenable number.

881121204 is an abundant number, since it is smaller than the sum of its proper divisors (1346157486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881121204 is a wasteful number, since it uses less digits than its factorization.

881121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24475599 (or 24475594 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 881121204 is about 29683.6858223503. The cubic root of 881121204 is about 958.6907804410.

The spelling of 881121204 in words is "eight hundred eighty-one million, one hundred twenty-one thousand, two hundred four".