878122 has 8 divisors (see below), whose sum is σ = 1505376. Its totient is φ = 376332.

The previous prime is 878113. The next prime is 878131. The reversal of 878122 is 221878.

878122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (878113) and next prime (878131).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31348 + ... + 31375.

It is an arithmetic number, because the mean of its divisors is an integer number (188172).

2⁸⁷⁸¹²² is an apocalyptic number.

878122 is a deficient number, since it is larger than the sum of its proper divisors (627254).

878122 is a wasteful number, since it uses less digits than its factorization.

878122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62732.

The product of its digits is 1792, while the sum is 28.

The square root of 878122 is about 937.0816399866. The cubic root of 878122 is about 95.7601797538.

It can be divided in two parts, 878 and 122, that added together give a cube (1000 = 10³).

The spelling of 878122 in words is "eight hundred seventy-eight thousand, one hundred twenty-two".