1241255 has 12 divisors (see below), whose sum is σ = 1584120. Its totient is φ = 933504.

The previous prime is 1241249. The next prime is 1241257. The reversal of 1241255 is 5521421.

It is not a de Polignac number, because 1241255 - 2⁸ = 1240999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241257) 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 in 11 ways as a sum of consecutive naturals, for example, 1016 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (132010).

2^1241255 is an apocalyptic number.

1241255 is a deficient number, since it is larger than the sum of its proper divisors (342865).

1241255 is an equidigital number, since it uses as much as digits as its factorization.

1241255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 881 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 1241255 is about 1114.1162416911. The cubic root of 1241255 is about 107.4699393143.

Adding to 1241255 its reverse (5521421), we get a palindrome (6762676).

The spelling of 1241255 in words is "one million, two hundred forty-one thousand, two hundred fifty-five".