1241440163 has 4 divisors (see below), whose sum is σ = 1243534248. Its totient is φ = 1239346080.

The previous prime is 1241440141. The next prime is 1241440177. The reversal of 1241440163 is 3610441421.

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: 3610441421 = 7477 ⋅482873.

It is a cyclic number.

It is not a de Polignac number, because 1241440163 - 2²⁴ = 1224662947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241440103) 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, 1046153 + ... + 1047338.

It is an arithmetic number, because the mean of its divisors is an integer number (310883562).

Almost surely, 2^1241440163 is an apocalyptic number.

1241440163 is a deficient number, since it is larger than the sum of its proper divisors (2094085).

1241440163 is an equidigital number, since it uses as much as digits as its factorization.

1241440163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094084.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1241440163 is about 35234.0767297797. The cubic root of 1241440163 is about 1074.7528295625.

Adding to 1241440163 its reverse (3610441421), we get a palindrome (4851881584).

The spelling of 1241440163 in words is "one billion, two hundred forty-one million, four hundred forty thousand, one hundred sixty-three".