124938213156 has 135 divisors (see below), whose sum is σ = 332384223171. Its totient is φ = 40922879616.

The previous prime is 124938213143. The next prime is 124938213161. The reversal of 124938213156 is 651312839421.

The square root of 124938213156 is 353466.

It is a perfect power (a square), and thus also a powerful number.

124938213156 is a `hidden beast` number, since 1 + 2 + 493 + 8 + 2 + 1 + 3 + 156 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24439068900 + 100499144256 = 156330^2 + 317016^2 .

It is a super-2 number, since 2×124938213156² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 464454190 + ... + 464454458.

Almost surely, 2^124938213156 is an apocalyptic number.

124938213156 is the 353466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124938213156

124938213156 is an abundant number, since it is smaller than the sum of its proper divisors (207446010015).

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

124938213156 is an frugal number, since it uses more digits than its factorization.

124938213156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 347 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 124938213156 in words is "one hundred twenty-four billion, nine hundred thirty-eight million, two hundred thirteen thousand, one hundred fifty-six".