1241142663 has 16 divisors (see below), whose sum is σ = 1666599680. Its totient is φ = 821574144.

The previous prime is 1241142659. The next prime is 1241142671. The reversal of 1241142663 is 3662411421.

It is not a de Polignac number, because 1241142663 - 2² = 1241142659 is a prime.

It is a super-4 number, since 4×1241142663⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241142663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241142653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356670 + ... + 360132.

It is an arithmetic number, because the mean of its divisors is an integer number (104162480).

Almost surely, 2^1241142663 is an apocalyptic number.

1241142663 is a deficient number, since it is larger than the sum of its proper divisors (425457017).

1241142663 is a wasteful number, since it uses less digits than its factorization.

1241142663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278.

The product of its digits is 6912, while the sum is 30.

The square root of 1241142663 is about 35229.8547115937. The cubic root of 1241142663 is about 1074.6669710785. Note that the first 3 decimals are identical.

The spelling of 1241142663 in words is "one billion, two hundred forty-one million, one hundred forty-two thousand, six hundred sixty-three".