124220020134 has 32 divisors (see below), whose sum is σ = 284209664256. Its totient is φ = 35456660640.

The previous prime is 124220020129. The next prime is 124220020157. The reversal of 124220020134 is 431020022421.

It is a super-2 number, since 2×124220020134² (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124220020134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405512 + ... + 1491275.

It is an arithmetic number, because the mean of its divisors is an integer number (8881552008).

Almost surely, 2^124220020134 is an apocalyptic number.

124220020134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

124220020134 is an abundant number, since it is smaller than the sum of its proper divisors (159989644122).

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

124220020134 is a wasteful number, since it uses less digits than its factorization.

124220020134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897820.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 124220020134 its reverse (431020022421), we get a palindrome (555240042555).

The spelling of 124220020134 in words is "one hundred twenty-four billion, two hundred twenty million, twenty thousand, one hundred thirty-four".