1103245123 has 8 divisors (see below), whose sum is σ = 1113261680. Its totient is φ = 1093266720.

The previous prime is 1103245067. The next prime is 1103245139. The reversal of 1103245123 is 3215423011.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103245123 is a prime.

It is a super-3 number, since 3×1103245123³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103245094 and 1103245103.

It is not an unprimeable number, because it can be changed into a prime (1103245153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50233 + ... + 68773.

It is an arithmetic number, because the mean of its divisors is an integer number (139157710).

Almost surely, 2^1103245123 is an apocalyptic number.

1103245123 is a deficient number, since it is larger than the sum of its proper divisors (10016557).

1103245123 is a wasteful number, since it uses less digits than its factorization.

1103245123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19077.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1103245123 is about 33215.1339452365. The cubic root of 1103245123 is about 1033.2942327788.

Adding to 1103245123 its reverse (3215423011), we get a palindrome (4318668134).

The spelling of 1103245123 in words is "one billion, one hundred three million, two hundred forty-five thousand, one hundred twenty-three".