124012779264 has 432 divisors, whose sum is σ = 412329415680. Its totient is φ = 35477544960.

The previous prime is 124012779251. The next prime is 124012779271. The reversal of 124012779264 is 462977210421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46048702 + ... + 46051394.

It is an arithmetic number, because the mean of its divisors is an integer number (954466240).

Almost surely, 2^124012779264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124012779264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206164707840).

124012779264 is an abundant number, since it is smaller than the sum of its proper divisors (288316636416).

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

124012779264 is a wasteful number, since it uses less digits than its factorization.

124012779264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

Adding to 124012779264 its reverse (462977210421), we get a palindrome (586989989685).

The spelling of 124012779264 in words is "one hundred twenty-four billion, twelve million, seven hundred seventy-nine thousand, two hundred sixty-four".