1245113 has 2 divisors, whose sum is σ = 1245114. Its totient is φ = 1245112.

The previous prime is 1245103. The next prime is 1245121. The reversal of 1245113 is 3115421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075369 + 169744 = 1037^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245113 - 2⁸ = 1244857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1245091 and 1245100.

It is not a weakly prime, because it can be changed into another prime (1245103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622556 + 622557.

It is an arithmetic number, because the mean of its divisors is an integer number (622557).

2^1245113 is an apocalyptic number.

It is an amenable number.

1245113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245113 is an equidigital number, since it uses as much as digits as its factorization.

1245113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 17.

The square root of 1245113 is about 1115.8463155829. The cubic root of 1245113 is about 107.5811681917.

The spelling of 1245113 in words is "one million, two hundred forty-five thousand, one hundred thirteen".