124845200040 has 64 divisors (see below), whose sum is σ = 408584295360. Its totient is φ = 30265502720.

The previous prime is 124845200033. The next prime is 124845200047. The reversal of 124845200040 is 40002548421.

It is an interprime number because it is at equal distance from previous prime (124845200033) and next prime (124845200047).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 124845199980 and 124845200007.

It is not an unprimeable number, because it can be changed into a prime (124845200047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47288529 + ... + 47291168.

It is an arithmetic number, because the mean of its divisors is an integer number (6384129615).

Almost surely, 2^124845200040 is an apocalyptic number.

124845200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124845200040 is an abundant number, since it is smaller than the sum of its proper divisors (283739095320).

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

124845200040 is a wasteful number, since it uses less digits than its factorization.

124845200040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94579722 (or 94579718 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 124845200040 its reverse (40002548421), we get a palindrome (164847748461).

The spelling of 124845200040 in words is "one hundred twenty-four billion, eight hundred forty-five million, two hundred thousand, forty".