124216728855 has 8 divisors (see below), whose sum is σ = 198746766192. Its totient is φ = 66248922048.

The previous prime is 124216728841. The next prime is 124216728907. The reversal of 124216728855 is 558827612421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124216728855 - 2¹⁷ = 124216597783 is a prime.

It is a super-2 number, since 2×124216728855² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124216728798 and 124216728807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140557614 + ... + 4140557643.

It is an arithmetic number, because the mean of its divisors is an integer number (24843345774).

Almost surely, 2^124216728855 is an apocalyptic number.

124216728855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

124216728855 is a deficient number, since it is larger than the sum of its proper divisors (74530037337).

124216728855 is an equidigital number, since it uses as much as digits as its factorization.

124216728855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281115265.

The product of its digits is 2150400, while the sum is 51.

The spelling of 124216728855 in words is "one hundred twenty-four billion, two hundred sixteen million, seven hundred twenty-eight thousand, eight hundred fifty-five".