124140121234 has 16 divisors (see below), whose sum is σ = 187116572160. Its totient is φ = 61768143360.

The previous prime is 124140121219. The next prime is 124140121279. The reversal of 124140121234 is 432121041421.

It is a junction number, because it is equal to n+sod(n) for n = 124140121199 and 124140121208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147539 + ... + 1251049.

It is an arithmetic number, because the mean of its divisors is an integer number (11694785760).

Almost surely, 2^124140121234 is an apocalyptic number.

124140121234 is a deficient number, since it is larger than the sum of its proper divisors (62976450926).

124140121234 is a wasteful number, since it uses less digits than its factorization.

124140121234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106425.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 124140121234 its reverse (432121041421), we get a palindrome (556261162655).

The spelling of 124140121234 in words is "one hundred twenty-four billion, one hundred forty million, one hundred twenty-one thousand, two hundred thirty-four".