124781000620 has 96 divisors (see below), whose sum is σ = 279766872000. Its totient is φ = 46585872384.

The previous prime is 124781000611. The next prime is 124781000627. The reversal of 124781000620 is 26000187421.

It is not an unprimeable number, because it can be changed into a prime (124781000627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38955939 + ... + 38959141.

It is an arithmetic number, because the mean of its divisors is an integer number (2914238250).

Almost surely, 2^124781000620 is an apocalyptic number.

124781000620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124781000620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139883436000).

124781000620 is an abundant number, since it is smaller than the sum of its proper divisors (154985871380).

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

124781000620 is a wasteful number, since it uses less digits than its factorization.

124781000620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 124781000620 in words is "one hundred twenty-four billion, seven hundred eighty-one million, six hundred twenty", and thus it is an aban number.