124346721366 has 48 divisors (see below), whose sum is σ = 310895579904. Its totient is φ = 35182702512.

The previous prime is 124346721311. The next prime is 124346721403. The reversal of 124346721366 is 663127643421.

124346721366 is a `hidden beast` number, since 1 + 243 + 46 + 7 + 2 + 1 + 366 = 666.

It is a super-2 number, since 2×124346721366² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4777696 + ... + 4803651.

It is an arithmetic number, because the mean of its divisors is an integer number (6476991248).

Almost surely, 2^124346721366 is an apocalyptic number.

124346721366 is an abundant number, since it is smaller than the sum of its proper divisors (186548858538).

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

124346721366 is a wasteful number, since it uses less digits than its factorization.

124346721366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581465 (or 9581462 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The spelling of 124346721366 in words is "one hundred twenty-four billion, three hundred forty-six million, seven hundred twenty-one thousand, three hundred sixty-six".