123120131014 has 4 divisors (see below), whose sum is σ = 184680196524. Its totient is φ = 61560065506.

The previous prime is 123120130993. The next prime is 123120131047. The reversal of 123120131014 is 410131021321.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 123120130982 and 123120131000.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30780032752 + ... + 30780032755.

It is an arithmetic number, because the mean of its divisors is an integer number (46170049131).

Almost surely, 2^123120131014 is an apocalyptic number.

123120131014 is a deficient number, since it is larger than the sum of its proper divisors (61560065510).

123120131014 is an equidigital number, since it uses as much as digits as its factorization.

123120131014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61560065509.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123120131014 its reverse (410131021321), we get a palindrome (533251152335).

The spelling of 123120131014 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred thirty-one thousand, fourteen".