1115385 has 32 divisors (see below), whose sum is σ = 1928448. Its totient is φ = 549120.

The previous prime is 1115381. The next prime is 1115399. The reversal of 1115385 is 5835111.

It is not a de Polignac number, because 1115385 - 2² = 1115381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18255 + ... + 18315.

It is an arithmetic number, because the mean of its divisors is an integer number (60264).

2^1115385 is an apocalyptic number.

1115385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115385 is a deficient number, since it is larger than the sum of its proper divisors (813063).

1115385 is a wasteful number, since it uses less digits than its factorization.

1115385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its digits is 600, while the sum is 24.

The square root of 1115385 is about 1056.1178911466. The cubic root of 1115385 is about 103.7070466216.

The spelling of 1115385 in words is "one million, one hundred fifteen thousand, three hundred eighty-five".