124133355540 has 36 divisors (see below), whose sum is σ = 376537845684. Its totient is φ = 33102228096.

The previous prime is 124133355517. The next prime is 124133355559. The reversal of 124133355540 is 45553331421.

124133355540 is a `hidden beast` number, since 1 + 2 + 41 + 33 + 35 + 554 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94084519824 + 30048835716 = 306732^2 + 173346^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 124133355495 and 124133355504.

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, 344814697 + ... + 344815056.

Almost surely, 2^124133355540 is an apocalyptic number.

124133355540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124133355540 is an abundant number, since it is smaller than the sum of its proper divisors (252404490144).

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

124133355540 is a wasteful number, since it uses less digits than its factorization.

124133355540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689629768 (or 689629763 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 124133355540 its reverse (45553331421), we get a palindrome (169686686961).

The spelling of 124133355540 in words is "one hundred twenty-four billion, one hundred thirty-three million, three hundred fifty-five thousand, five hundred forty".