124123120342 has 32 divisors (see below), whose sum is σ = 212244389280. Its totient is φ = 54025816320.

The previous prime is 124123120337. The next prime is 124123120367. The reversal of 124123120342 is 243021321421.

It is a super-2 number, since 2×124123120342² (a number of 23 digits) contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 1881759 + ... + 1946602.

It is an arithmetic number, because the mean of its divisors is an integer number (6632637165).

Almost surely, 2^124123120342 is an apocalyptic number.

124123120342 is a deficient number, since it is larger than the sum of its proper divisors (88121268938).

124123120342 is a wasteful number, since it uses less digits than its factorization.

124123120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828448.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 124123120342 its reverse (243021321421), we get a palindrome (367144441763).

The spelling of 124123120342 in words is "one hundred twenty-four billion, one hundred twenty-three million, one hundred twenty thousand, three hundred forty-two".