124999349904 has 320 divisors, whose sum is σ = 427472640000. Its totient is φ = 34471180800.

The previous prime is 124999349903. The next prime is 124999349911. The reversal of 124999349904 is 409943999421.

124999349904 is a `hidden beast` number, since 12 + 49 + 9 + 93 + 499 + 0 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (124999349903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4371847 + ... + 4400345.

It is an arithmetic number, because the mean of its divisors is an integer number (1335852000).

Almost surely, 2^124999349904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124999349904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213736320000).

124999349904 is an abundant number, since it is smaller than the sum of its proper divisors (302473290096).

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

124999349904 is a wasteful number, since it uses less digits than its factorization.

124999349904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28611 (or 28599 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 124999349904 in words is "one hundred twenty-four billion, nine hundred ninety-nine million, three hundred forty-nine thousand, nine hundred four".