876220121 has 8 divisors (see below), whose sum is σ = 1044933504. Its totient is φ = 718391520.

The previous prime is 876220097. The next prime is 876220129. The reversal of 876220121 is 121022678.

876220121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 876220121 - 2⁶ = 876220057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (876220129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721020 + ... + 2721341.

It is an arithmetic number, because the mean of its divisors is an integer number (130616688).

Almost surely, 2^876220121 is an apocalyptic number.

It is an amenable number.

876220121 is a deficient number, since it is larger than the sum of its proper divisors (168713383).

876220121 is a wasteful number, since it uses less digits than its factorization.

876220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442391.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 876220121 is about 29601.0155400115. The cubic root of 876220121 is about 956.9099577637.

Adding to 876220121 its reverse (121022678), we get a palindrome (997242799).

The spelling of 876220121 in words is "eight hundred seventy-six million, two hundred twenty thousand, one hundred twenty-one".