124111434420 has 36 divisors (see below), whose sum is σ = 376471351620. Its totient is φ = 33096382464.

The previous prime is 124111434407. The next prime is 124111434431. The reversal of 124111434420 is 24434111421.

124111434420 is a `hidden beast` number, since 124 + 1 + 114 + 3 + 4 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17425584036 + 106685850384 = 132006^2 + 326628^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344753805 + ... + 344754164.

It is an arithmetic number, because the mean of its divisors is an integer number (10457537545).

Almost surely, 2^124111434420 is an apocalyptic number.

124111434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124111434420 is an abundant number, since it is smaller than the sum of its proper divisors (252359917200).

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

124111434420 is a wasteful number, since it uses less digits than its factorization.

124111434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689507984 (or 689507979 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 124111434420 its reverse (24434111421), we get a palindrome (148545545841).

The spelling of 124111434420 in words is "one hundred twenty-four billion, one hundred eleven million, four hundred thirty-four thousand, four hundred twenty".