1186878 has 48 divisors (see below), whose sum is σ = 3020544. Its totient is φ = 307440.

The previous prime is 1186847. The next prime is 1186879. The reversal of 1186878 is 8786811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3051 + ... + 3417.

It is an arithmetic number, because the mean of its divisors is an integer number (62928).

2^1186878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1186878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510272).

1186878 is an abundant number, since it is smaller than the sum of its proper divisors (1833666).

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

1186878 is a wasteful number, since it uses less digits than its factorization.

1186878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 390 counting only the distinct ones).

The product of its digits is 21504, while the sum is 39.

The square root of 1186878 is about 1089.4393053310. The cubic root of 1186878 is about 105.8770973789.

It can be divided in two parts, 118 and 6878, that added together give a palindrome (6996).

The spelling of 1186878 in words is "one million, one hundred eighty-six thousand, eight hundred seventy-eight".