1241513 has 12 divisors (see below), whose sum is σ = 1556100. Its totient is φ = 981792.

The previous prime is 1241509. The next prime is 1241549. The reversal of 1241513 is 3151421.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 659344 = 763^2 + 812^2 .

It is not a de Polignac number, because 1241513 - 2² = 1241509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1241491 and 1241500.

It is not an unprimeable number, because it can be changed into a prime (1241573) 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, 338 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (129675).

2^1241513 is an apocalyptic number.

1241513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1241513 is a deficient number, since it is larger than the sum of its proper divisors (314587).

1241513 is a wasteful number, since it uses less digits than its factorization.

1241513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1969 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 1241513 is about 1114.2320225160. The cubic root of 1241513 is about 107.4773848226.

Adding to 1241513 its reverse (3151421), we get a palindrome (4392934).

The spelling of 1241513 in words is "one million, two hundred forty-one thousand, five hundred thirteen".