135124122 has 16 divisors (see below), whose sum is σ = 308855232. Its totient is φ = 38606880.

The previous prime is 135124117. The next prime is 135124127. The reversal of 135124122 is 221421531.

It is an interprime number because it is at equal distance from previous prime (135124117) and next prime (135124127).

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608579 + ... + 1608662.

It is an arithmetic number, because the mean of its divisors is an integer number (19303452).

Almost surely, 2^135124122 is an apocalyptic number.

135124122 is an abundant number, since it is smaller than the sum of its proper divisors (173731110).

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

135124122 is a wasteful number, since it uses less digits than its factorization.

135124122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217253.

The product of its digits is 480, while the sum is 21.

The square root of 135124122 is about 11624.2901718772. The cubic root of 135124122 is about 513.1499548325.

Adding to 135124122 its reverse (221421531), we get a palindrome (356545653).

The spelling of 135124122 in words is "one hundred thirty-five million, one hundred twenty-four thousand, one hundred twenty-two".