1115878 has 8 divisors (see below), whose sum is σ = 1696968. Its totient is φ = 550224.

The previous prime is 1115857. The next prime is 1115879. The reversal of 1115878 is 8785111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3676 + ... + 3967.

It is an arithmetic number, because the mean of its divisors is an integer number (212121).

2^1115878 is an apocalyptic number.

1115878 is a deficient number, since it is larger than the sum of its proper divisors (581090).

1115878 is an equidigital number, since it uses as much as digits as its factorization.

1115878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718.

The product of its digits is 2240, while the sum is 31.

The square root of 1115878 is about 1056.3512673349. The cubic root of 1115878 is about 103.7223238706.

It can be divided in two parts, 11158 and 78, that added together give a square (11236 = 106²).

The spelling of 1115878 in words is "one million, one hundred fifteen thousand, eight hundred seventy-eight".