1242041163 has 24 divisors (see below), whose sum is σ = 1822351104. Its totient is φ = 751901040.

The previous prime is 1242041159. The next prime is 1242041209. The reversal of 1242041163 is 3611402421.

It is not a de Polignac number, because 1242041163 - 2² = 1242041159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242041113) 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 23 ways as a sum of consecutive naturals, for example, 494970 + ... + 497472.

It is an arithmetic number, because the mean of its divisors is an integer number (75931296).

Almost surely, 2^1242041163 is an apocalyptic number.

1242041163 is a deficient number, since it is larger than the sum of its proper divisors (580309941).

1242041163 is a wasteful number, since it uses less digits than its factorization.

1242041163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1242041163 is about 35242.6043731164. The cubic root of 1242041163 is about 1074.9262362943.

Adding to 1242041163 its reverse (3611402421), we get a palindrome (4853443584).

The spelling of 1242041163 in words is "one billion, two hundred forty-two million, forty-one thousand, one hundred sixty-three".