124869840872 has 32 divisors (see below), whose sum is σ = 281661297600. Its totient is φ = 50699032704.

The previous prime is 124869840817. The next prime is 124869840943. The reversal of 124869840872 is 278048968421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58678373 + ... + 58680500.

It is an arithmetic number, because the mean of its divisors is an integer number (8801915550).

Almost surely, 2^124869840872 is an apocalyptic number.

It is an amenable number.

124869840872 is an abundant number, since it is smaller than the sum of its proper divisors (156791456728).

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

124869840872 is a wasteful number, since it uses less digits than its factorization.

124869840872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117358905 (or 117358901 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 124869840872 in words is "one hundred twenty-four billion, eight hundred sixty-nine million, eight hundred forty thousand, eight hundred seventy-two".