124055856990 has 384 divisors, whose sum is σ = 371056637952. Its totient is φ = 29628426240.

The previous prime is 124055856979. The next prime is 124055856997. The reversal of 124055856990 is 99658550421.

124055856990 is a `hidden beast` number, since 1 + 24 + 0 + 5 + 58 + 569 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124055856997) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 368118102 + ... + 368118438.

It is an arithmetic number, because the mean of its divisors is an integer number (966293328).

Almost surely, 2^124055856990 is an apocalyptic number.

124055856990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124055856990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185528318976).

124055856990 is an abundant number, since it is smaller than the sum of its proper divisors (247000780962).

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

124055856990 is a wasteful number, since it uses less digits than its factorization.

124055856990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 124055856990 in words is "one hundred twenty-four billion, fifty-five million, eight hundred fifty-six thousand, nine hundred ninety".