877122 has 32 divisors (see below), whose sum is σ = 2006400. Its totient is φ = 283824.

The previous prime is 877117. The next prime is 877133. The reversal of 877122 is 221778.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

877122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1779 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (62700).

2⁸⁷⁷¹²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003200).

877122 is an abundant number, since it is smaller than the sum of its proper divisors (1129278).

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

877122 is a wasteful number, since it uses less digits than its factorization.

877122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 877122 is about 936.5479165531. The cubic root of 877122 is about 95.7238155762.

It can be divided in two parts, 877 and 122, that added together give a palindrome (999).

The spelling of 877122 in words is "eight hundred seventy-seven thousand, one hundred twenty-two".