1245241 has 4 divisors (see below), whose sum is σ = 1310800. Its totient is φ = 1179684.

The previous prime is 1245227. The next prime is 1245281. The reversal of 1245241 is 1425421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1425421 = 683 ⋅2087.

It is a cyclic number.

It is not a de Polignac number, because 1245241 - 2⁷ = 1245113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 65539 = 1245241 / (1 + 2 + 4 + 5 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32751 + ... + 32788.

It is an arithmetic number, because the mean of its divisors is an integer number (327700).

2^1245241 is an apocalyptic number.

It is an amenable number.

1245241 is a deficient number, since it is larger than the sum of its proper divisors (65559).

1245241 is an equidigital number, since it uses as much as digits as its factorization.

1245241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65558.

The product of its digits is 320, while the sum is 19.

The square root of 1245241 is about 1115.9036696776. The cubic root of 1245241 is about 107.5848545821.

The spelling of 1245241 in words is "one million, two hundred forty-five thousand, two hundred forty-one".