124342134420 has 72 divisors (see below), whose sum is σ = 405000104544. Its totient is φ = 28421058624.

The previous prime is 124342134391. The next prime is 124342134431. The reversal of 124342134420 is 24431243421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21143682 + ... + 21149561.

It is an arithmetic number, because the mean of its divisors is an integer number (5625001452).

Almost surely, 2^124342134420 is an apocalyptic number.

124342134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124342134420 is an abundant number, since it is smaller than the sum of its proper divisors (280657970124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124342134420 is a wasteful number, since it uses less digits than its factorization.

124342134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42293269 (or 42293260 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 124342134420 its reverse (24431243421), we get a palindrome (148773377841).

The spelling of 124342134420 in words is "one hundred twenty-four billion, three hundred forty-two million, one hundred thirty-four thousand, four hundred twenty".