1143120401103 has 16 divisors (see below), whose sum is σ = 1604402553600. Its totient is φ = 721960410240.

The previous prime is 1143120401089. The next prime is 1143120401123. The reversal of 1143120401103 is 3011040213411.

It is not a de Polignac number, because 1143120401103 - 2¹² = 1143120397007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1143120401103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143120401123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6629998 + ... + 6800228.

It is an arithmetic number, because the mean of its divisors is an integer number (100275159600).

Almost surely, 2^{1143120401103} is an apocalyptic number.

1143120401103 is a deficient number, since it is larger than the sum of its proper divisors (461282152497).

1143120401103 is a wasteful number, since it uses less digits than its factorization.

1143120401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288062.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1143120401103 its reverse (3011040213411), we get a palindrome (4154160614514).

The spelling of 1143120401103 in words is "one trillion, one hundred forty-three billion, one hundred twenty million, four hundred one thousand, one hundred three".