123765103 has 16 divisors (see below), whose sum is σ = 154748160. Its totient is φ = 96163200.

The previous prime is 123765079. The next prime is 123765119. The reversal of 123765103 is 301567321.

It is not a de Polignac number, because 123765103 - 2⁵ = 123765071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123765133) 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 15 ways as a sum of consecutive naturals, for example, 27063 + ... + 31303.

It is an arithmetic number, because the mean of its divisors is an integer number (9671760).

Almost surely, 2^123765103 is an apocalyptic number.

123765103 is a deficient number, since it is larger than the sum of its proper divisors (30983057).

123765103 is a wasteful number, since it uses less digits than its factorization.

123765103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 123765103 is about 11124.9765393011. The cubic root of 123765103 is about 498.3480185926.

The spelling of 123765103 in words is "one hundred twenty-three million, seven hundred sixty-five thousand, one hundred three".