124402135206 has 16 divisors (see below), whose sum is σ = 248807835648. Its totient is φ = 41466784200.

The previous prime is 124402135159. The next prime is 124402135213. The reversal of 124402135206 is 602531204421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579651 + ... + 764721.

It is an arithmetic number, because the mean of its divisors is an integer number (15550489728).

Almost surely, 2^124402135206 is an apocalyptic number.

124402135206 is an abundant number, since it is smaller than the sum of its proper divisors (124405700442).

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

124402135206 is a wasteful number, since it uses less digits than its factorization.

124402135206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297107.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 124402135206 its reverse (602531204421), we get a palindrome (726933339627).

The spelling of 124402135206 in words is "one hundred twenty-four billion, four hundred two million, one hundred thirty-five thousand, two hundred six".