1125361 has 2 divisors, whose sum is σ = 1125362. Its totient is φ = 1125360.

The previous prime is 1125359. The next prime is 1125379. The reversal of 1125361 is 1635211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 516961 = 780^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125361 - 2¹ = 1125359 is a prime.

Together with 1125359, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1125391) 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 as a sum of consecutive naturals, namely, 562680 + 562681.

It is an arithmetic number, because the mean of its divisors is an integer number (562681).

2^1125361 is an apocalyptic number.

It is an amenable number.

1125361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125361 is an equidigital number, since it uses as much as digits as its factorization.

1125361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 19.

The square root of 1125361 is about 1060.8303351620. The cubic root of 1125361 is about 104.0153145593.

The spelling of 1125361 in words is "one million, one hundred twenty-five thousand, three hundred sixty-one".