1240142221003 has 4 divisors (see below), whose sum is σ = 1417305395440. Its totient is φ = 1062979046568.

The previous prime is 1240142220991. The next prime is 1240142221079. The reversal of 1240142221003 is 3001222410421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1240142221003 - 2⁹ = 1240142220491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240142221403) 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, 88581587208 + ... + 88581587221.

It is an arithmetic number, because the mean of its divisors is an integer number (354326348860).

Almost surely, 2^{1240142221003} is an apocalyptic number.

1240142221003 is a deficient number, since it is larger than the sum of its proper divisors (177163174437).

1240142221003 is an equidigital number, since it uses as much as digits as its factorization.

1240142221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177163174436.

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

Adding to 1240142221003 its reverse (3001222410421), we get a palindrome (4241364631424).

The spelling of 1240142221003 in words is "one trillion, two hundred forty billion, one hundred forty-two million, two hundred twenty-one thousand, three".