1241241403 has 4 divisors (see below), whose sum is σ = 1241681760. Its totient is φ = 1240801048.

The previous prime is 1241241389. The next prime is 1241241427. The reversal of 1241241403 is 3041421421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3041421421 = 13469 ⋅225809.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241241403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241241203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215923 + ... + 221596.

It is an arithmetic number, because the mean of its divisors is an integer number (310420440).

Almost surely, 2^1241241403 is an apocalyptic number.

1241241403 is a deficient number, since it is larger than the sum of its proper divisors (440357).

1241241403 is an equidigital number, since it uses as much as digits as its factorization.

1241241403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440356.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1241241403 is about 35231.2560519775. The cubic root of 1241241403 is about 1074.6954689582.

Adding to 1241241403 its reverse (3041421421), we get a palindrome (4282662824).

The spelling of 1241241403 in words is "one billion, two hundred forty-one million, two hundred forty-one thousand, four hundred three".