1122895 has 4 divisors (see below), whose sum is σ = 1347480. Its totient is φ = 898312.

The previous prime is 1122887. The next prime is 1122899. The reversal of 1122895 is 5982211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5982211 = 1543 ⋅3877.

It is a cyclic number.

It is not a de Polignac number, because 1122895 - 2³ = 1122887 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122899) 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, 112285 + ... + 112294.

It is an arithmetic number, because the mean of its divisors is an integer number (336870).

2^1122895 is an apocalyptic number.

1122895 is a deficient number, since it is larger than the sum of its proper divisors (224585).

1122895 is an equidigital number, since it uses as much as digits as its factorization.

1122895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224584.

The product of its digits is 1440, while the sum is 28.

The square root of 1122895 is about 1059.6674006498. The cubic root of 1122895 is about 103.9392828530.

The spelling of 1122895 in words is "one million, one hundred twenty-two thousand, eight hundred ninety-five".