135124120 has 16 divisors (see below), whose sum is σ = 304029360. Its totient is φ = 54049632.

The previous prime is 135124117. The next prime is 135124127. The reversal of 135124120 is 21421531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135124127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689012 + ... + 1689091.

It is an arithmetic number, because the mean of its divisors is an integer number (19001835).

Almost surely, 2^135124120 is an apocalyptic number.

135124120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135124120 is an abundant number, since it is smaller than the sum of its proper divisors (168905240).

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

135124120 is a wasteful number, since it uses less digits than its factorization.

135124120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378114 (or 3378110 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 135124120 is about 11624.2900858504. The cubic root of 135124120 is about 513.1499523008.

Adding to 135124120 its reverse (21421531), we get a palindrome (156545651).

The spelling of 135124120 in words is "one hundred thirty-five million, one hundred twenty-four thousand, one hundred twenty".