1260361 has 2 divisors, whose sum is σ = 1260362. Its totient is φ = 1260360.

The previous prime is 1260359. The next prime is 1260383. The reversal of 1260361 is 1630621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 219961 = 1020^2 + 469^2 .

It is an emirp because it is prime and its reverse (1630621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260361 - 2¹ = 1260359 is a prime.

Together with 1260359, it forms a pair of twin primes.

1260361 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1260341) 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, 630180 + 630181.

It is an arithmetic number, because the mean of its divisors is an integer number (630181).

2^1260361 is an apocalyptic number.

It is an amenable number.

1260361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260361 is an equidigital number, since it uses as much as digits as its factorization.

1260361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1260361 is about 1122.6580066966. The cubic root of 1260361 is about 108.0185439123.

Adding to 1260361 its reverse (1630621), we get a palindrome (2890982).

The spelling of 1260361 in words is "one million, two hundred sixty thousand, three hundred sixty-one".