123042120410 has 32 divisors (see below), whose sum is σ = 242646985152. Its totient is φ = 44550551680.

The previous prime is 123042120403. The next prime is 123042120419. The reversal of 123042120410 is 14021240321.

It is not an unprimeable number, because it can be changed into a prime (123042120419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374724 + ... + 2425983.

It is an arithmetic number, because the mean of its divisors is an integer number (7582718286).

Almost surely, 2^123042120410 is an apocalyptic number.

123042120410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123042120410 is a deficient number, since it is larger than the sum of its proper divisors (119604864742).

123042120410 is a wasteful number, since it uses less digits than its factorization.

123042120410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800958.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 123042120410 its reverse (14021240321), we get a palindrome (137063360731).

The spelling of 123042120410 in words is "one hundred twenty-three billion, forty-two million, one hundred twenty thousand, four hundred ten".