124468521540 has 96 divisors (see below), whose sum is σ = 389036583936. Its totient is φ = 29472455040.

The previous prime is 124468521493. The next prime is 124468521547. The reversal of 124468521540 is 45125864421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 124468521492 and 124468521501.

It is not an unprimeable number, because it can be changed into a prime (124468521547) 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, 2164512 + ... + 2221271.

It is an arithmetic number, because the mean of its divisors is an integer number (4052464416).

Almost surely, 2^124468521540 is an apocalyptic number.

124468521540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124468521540 is an abundant number, since it is smaller than the sum of its proper divisors (264568062396).

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

124468521540 is a wasteful number, since it uses less digits than its factorization.

124468521540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385849 (or 4385847 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 124468521540 in words is "one hundred twenty-four billion, four hundred sixty-eight million, five hundred twenty-one thousand, five hundred forty".