1115478 has 64 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 292896.

The previous prime is 1115467. The next prime is 1115497. The reversal of 1115478 is 8745111.

1115478 is a `hidden beast` number, since 111 + 547 + 8 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4801 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2^1115478 is an apocalyptic number.

1115478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1115478 is an abundant number, since it is smaller than the sum of its proper divisors (1948842).

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

1115478 is a wasteful number, since it uses less digits than its factorization.

1115478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1115478 is about 1056.1619194044. The cubic root of 1115478 is about 103.7099288812.

1115478 divided by its sum of digits (27) gives a palindrome (41314).

The spelling of 1115478 in words is "one million, one hundred fifteen thousand, four hundred seventy-eight".