1120123123103 has 4 divisors (see below), whose sum is σ = 1120125259608. Its totient is φ = 1120120986600.

The previous prime is 1120123123037. The next prime is 1120123123157. The reversal of 1120123123103 is 3013213210211.

It is a happy number.

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 1120123123103 - 2¹⁴ = 1120123106719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120123123183) 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, 316553 + ... + 1529853.

It is an arithmetic number, because the mean of its divisors is an integer number (280031314902).

Almost surely, 2^{1120123123103} is an apocalyptic number.

1120123123103 is a deficient number, since it is larger than the sum of its proper divisors (2136505).

1120123123103 is an equidigital number, since it uses as much as digits as its factorization.

1120123123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136504.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1120123123103 its reverse (3013213210211), we get a palindrome (4133336333314).

The spelling of 1120123123103 in words is "one trillion, one hundred twenty billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred three".