124161612105 has 8 divisors (see below), whose sum is σ = 198658579392. Its totient is φ = 66219526448.

The previous prime is 124161612061. The next prime is 124161612109. The reversal of 124161612105 is 501216161421.

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

It is a cyclic number.

It is not a de Polignac number, because 124161612105 - 2⁹ = 124161611593 is a prime.

It is a super-4 number, since 4×124161612105⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (124161612109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138720389 + ... + 4138720418.

It is an arithmetic number, because the mean of its divisors is an integer number (24832322424).

Almost surely, 2^124161612105 is an apocalyptic number.

124161612105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124161612105 is a deficient number, since it is larger than the sum of its proper divisors (74496967287).

124161612105 is an equidigital number, since it uses as much as digits as its factorization.

124161612105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277440815.

The product of its (nonzero) digits is 2880, while the sum is 30.

Adding to 124161612105 its reverse (501216161421), we get a palindrome (625377773526).

The spelling of 124161612105 in words is "one hundred twenty-four billion, one hundred sixty-one million, six hundred twelve thousand, one hundred five".