1252717 has 2 divisors, whose sum is σ = 1252718. Its totient is φ = 1252716.

The previous prime is 1252711. The next prime is 1252721. The reversal of 1252717 is 7172521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 367236 = 941^2 + 606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252717 - 2¹⁵ = 1219949 is a prime.

1252717 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1252691 and 1252700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626358 + 626359.

It is an arithmetic number, because the mean of its divisors is an integer number (626359).

2^1252717 is an apocalyptic number.

It is an amenable number.

1252717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252717 is an equidigital number, since it uses as much as digits as its factorization.

1252717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 980, while the sum is 25.

The square root of 1252717 is about 1119.2484085314. The cubic root of 1252717 is about 107.7997260088.

It can be divided in two parts, 12527 and 17, that added together give a square (12544 = 112²).

The spelling of 1252717 in words is "one million, two hundred fifty-two thousand, seven hundred seventeen".