1115190 has 24 divisors (see below), whose sum is σ = 2899728. Its totient is φ = 297360.

The previous prime is 1115189. The next prime is 1115207. The reversal of 1115190 is 915111.

It is a super-2 number, since 2×1115190² = 2487297472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6106 + ... + 6285.

It is an arithmetic number, because the mean of its divisors is an integer number (120822).

2^1115190 is an apocalyptic number.

1115190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115190 is an abundant number, since it is smaller than the sum of its proper divisors (1784538).

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

1115190 is a wasteful number, since it uses less digits than its factorization.

1115190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404 (or 12401 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

The square root of 1115190 is about 1056.0255678723. The cubic root of 1115190 is about 103.7010026539.

The spelling of 1115190 in words is "one million, one hundred fifteen thousand, one hundred ninety".