1115090 has 8 divisors (see below), whose sum is σ = 2007180. Its totient is φ = 446032.

The previous prime is 1115089. The next prime is 1115099. The reversal of 1115090 is 905111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 76729 = 1019^2 + 277^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1115099) 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, 55745 + ... + 55764.

2^1115090 is an apocalyptic number.

1115090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115090 is a deficient number, since it is larger than the sum of its proper divisors (892090).

1115090 is a wasteful number, since it uses less digits than its factorization.

1115090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111516.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 1115090 is about 1055.9782194724. The cubic root of 1115090 is about 103.6979029100.

The spelling of 1115090 in words is "one million, one hundred fifteen thousand, ninety".