1115790 has 32 divisors (see below), whose sum is σ = 2884896. Its totient is φ = 274560.

The previous prime is 1115789. The next prime is 1115831. The reversal of 1115790 is 975111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (90153).

2^1115790 is an apocalyptic number.

1115790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115790 is an abundant number, since it is smaller than the sum of its proper divisors (1769106).

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

1115790 is a wasteful number, since it uses less digits than its factorization.

1115790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 1115790 is about 1056.3096137023. The cubic root of 1115790 is about 103.7195972271.

The spelling of 1115790 in words is "one million, one hundred fifteen thousand, seven hundred ninety".