863471121 has 8 divisors (see below), whose sum is σ = 1152394464. Its totient is φ = 575097600.

The previous prime is 863471099. The next prime is 863471137. The reversal of 863471121 is 121174368.

863471121 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 863471121 - 2⁹ = 863470609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (863471171) 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, 133776 + ... + 140081.

It is an arithmetic number, because the mean of its divisors is an integer number (144049308).

Almost surely, 2^863471121 is an apocalyptic number.

It is an amenable number.

863471121 is a deficient number, since it is larger than the sum of its proper divisors (288923343).

863471121 is a wasteful number, since it uses less digits than its factorization.

863471121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274911.

The product of its digits is 8064, while the sum is 33.

The square root of 863471121 is about 29384.8791217524. The cubic root of 863471121 is about 952.2462528379.

The spelling of 863471121 in words is "eight hundred sixty-three million, four hundred seventy-one thousand, one hundred twenty-one".