1120123103 has 8 divisors (see below), whose sum is σ = 1225232976. Its totient is φ = 1015560000.

The previous prime is 1120123099. The next prime is 1120123111. The reversal of 1120123103 is 3013210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120123103 - 2² = 1120123099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120123133) 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 7 ways as a sum of consecutive naturals, for example, 132398 + ... + 140603.

It is an arithmetic number, because the mean of its divisors is an integer number (153154122).

Almost surely, 2^1120123103 is an apocalyptic number.

1120123103 is a deficient number, since it is larger than the sum of its proper divisors (105109873).

1120123103 is a wasteful number, since it uses less digits than its factorization.

1120123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273385.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1120123103 is about 33468.2402136712. The cubic root of 1120123103 is about 1038.5368672859.

Adding to 1120123103 its reverse (3013210211), we get a palindrome (4133333314).

The spelling of 1120123103 in words is "one billion, one hundred twenty million, one hundred twenty-three thousand, one hundred three".