1090115 has 16 divisors (see below), whose sum is σ = 1456896. Its totient is φ = 777600.

The previous prime is 1090099. The next prime is 1090127. The reversal of 1090115 is 5110901.

It is a happy number.

It is not a de Polignac number, because 1090115 - 2⁴ = 1090099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090093 and 1090102.

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 15 ways as a sum of consecutive naturals, for example, 1745 + ... + 2285.

It is an arithmetic number, because the mean of its divisors is an integer number (91056).

2^1090115 is an apocalyptic number.

1090115 is a deficient number, since it is larger than the sum of its proper divisors (366781).

1090115 is a wasteful number, since it uses less digits than its factorization.

1090115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590.

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

The square root of 1090115 is about 1044.0857244499. The cubic root of 1090115 is about 102.9178658382.

The spelling of 1090115 in words is "one million, ninety thousand, one hundred fifteen".