120500123 has 2 divisors, whose sum is σ = 120500124. Its totient is φ = 120500122.

The previous prime is 120500119. The next prime is 120500153. The reversal of 120500123 is 321005021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (321005021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120500123 - 2² = 120500119 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 120500098 and 120500107.

It is not a weakly prime, because it can be changed into another prime (120500153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60250061 + 60250062.

It is an arithmetic number, because the mean of its divisors is an integer number (60250062).

Almost surely, 2^120500123 is an apocalyptic number.

120500123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120500123 is an equidigital number, since it uses as much as digits as its factorization.

120500123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 120500123 is about 10977.2548025451. The cubic root of 120500123 is about 493.9266925592.

Adding to 120500123 its reverse (321005021), we get a palindrome (441505144).

The spelling of 120500123 in words is "one hundred twenty million, five hundred thousand, one hundred twenty-three".