124142730420 has 48 divisors (see below), whose sum is σ = 347615630208. Its totient is φ = 33103205760.

The previous prime is 124142730379. The next prime is 124142730421. The reversal of 124142730420 is 24037241421.

It is a super-2 number, since 2×124142730420² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124142730421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987465 + ... + 2048975.

It is an arithmetic number, because the mean of its divisors is an integer number (7241992296).

Almost surely, 2^124142730420 is an apocalyptic number.

124142730420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124142730420 is an abundant number, since it is smaller than the sum of its proper divisors (223472899788).

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

124142730420 is a wasteful number, since it uses less digits than its factorization.

124142730420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95160 (or 95158 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 124142730420 its reverse (24037241421), we get a palindrome (148179971841).

The spelling of 124142730420 in words is "one hundred twenty-four billion, one hundred forty-two million, seven hundred thirty thousand, four hundred twenty".