1090117 has 4 divisors (see below), whose sum is σ = 1245856. Its totient is φ = 934380.

The previous prime is 1090099. The next prime is 1090127. The reversal of 1090117 is 7110901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7110901 = 7 ⋅1015843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1090094 and 1090103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77859 + ... + 77872.

It is an arithmetic number, because the mean of its divisors is an integer number (311464).

2^1090117 is an apocalyptic number.

It is an amenable number.

1090117 is a deficient number, since it is larger than the sum of its proper divisors (155739).

1090117 is an equidigital number, since it uses as much as digits as its factorization.

1090117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155738.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 1090117 is about 1044.0866822252. The cubic root of 1090117 is about 102.9179287783.

The spelling of 1090117 in words is "one million, ninety thousand, one hundred seventeen".