1270249 has 2 divisors, whose sum is σ = 1270250. Its totient is φ = 1270248.

The previous prime is 1270237. The next prime is 1270271. The reversal of 1270249 is 9420721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 4624 = 1125^2 + 68^2 .

It is an emirp because it is prime and its reverse (9420721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1270249 - 2¹³ = 1262057 is a prime.

It is a super-2 number, since 2×1270249² = 3227065044002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270279) 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, 635124 + 635125.

It is an arithmetic number, because the mean of its divisors is an integer number (635125).

2^1270249 is an apocalyptic number.

It is an amenable number.

1270249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270249 is an equidigital number, since it uses as much as digits as its factorization.

1270249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1270249 is about 1127.0532374294. The cubic root of 1270249 is about 108.3002902512.

The spelling of 1270249 in words is "one million, two hundred seventy thousand, two hundred forty-nine".