1125013 has 2 divisors, whose sum is σ = 1125014. Its totient is φ = 1125012.

The previous prime is 1125001. The next prime is 1125017. The reversal of 1125013 is 3105211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 521284 = 777^2 + 722^2 .

It is an emirp because it is prime and its reverse (3105211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125013 - 2¹³ = 1116821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1124984 and 1125002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562506 + 562507.

It is an arithmetic number, because the mean of its divisors is an integer number (562507).

2^1125013 is an apocalyptic number.

It is an amenable number.

1125013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125013 is an equidigital number, since it uses as much as digits as its factorization.

1125013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1125013 is about 1060.6663000209. Note that the first 3 decimals coincide. The cubic root of 1125013 is about 104.0045917598.

The spelling of 1125013 in words is "one million, one hundred twenty-five thousand, thirteen".