1248917 has 2 divisors, whose sum is σ = 1248918. Its totient is φ = 1248916.

The previous prime is 1248893. The next prime is 1248941. The reversal of 1248917 is 7198421.

It is a balanced prime because it is at equal distance from previous prime (1248893) and next prime (1248941).

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 7921 = 1114^2 + 89^2 .

It is an emirp because it is prime and its reverse (7198421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1248917 - 2¹⁰ = 1247893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624458 + 624459.

It is an arithmetic number, because the mean of its divisors is an integer number (624459).

2^1248917 is an apocalyptic number.

It is an amenable number.

1248917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248917 is an equidigital number, since it uses as much as digits as its factorization.

1248917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 1248917 is about 1117.5495514741. The cubic root of 1248917 is about 107.6906154758.

The spelling of 1248917 in words is "one million, two hundred forty-eight thousand, nine hundred seventeen".