1125911 has 2 divisors, whose sum is σ = 1125912. Its totient is φ = 1125910.

The previous prime is 1125907. The next prime is 1125913. The reversal of 1125911 is 1195211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125911 - 2² = 1125907 is a prime.

Together with 1125913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562955 + 562956.

It is an arithmetic number, because the mean of its divisors is an integer number (562956).

2^1125911 is an apocalyptic number.

1125911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125911 is an equidigital number, since it uses as much as digits as its factorization.

1125911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 20.

The square root of 1125911 is about 1061.0895343938. The cubic root of 1125911 is about 104.0322570059.

The spelling of 1125911 in words is "one million, one hundred twenty-five thousand, nine hundred eleven".