1125211 has 4 divisors (see below), whose sum is σ = 1127952. Its totient is φ = 1122472.

The previous prime is 1125209. The next prime is 1125217.

1125211 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1125211 - 2¹ = 1125209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125191 and 1125200.

It is not an unprimeable number, because it can be changed into a prime (1125217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (281988).

2^1125211 is an apocalyptic number.

1125211 is a deficient number, since it is larger than the sum of its proper divisors (2741).

1125211 is an equidigital number, since it uses as much as digits as its factorization.

1125211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740.

The product of its digits is 20, while the sum is 13.

The square root of 1125211 is about 1060.7596334703. The cubic root of 1125211 is about 104.0106929341.

The spelling of 1125211 in words is "one million, one hundred twenty-five thousand, two hundred eleven".