124542235105 has 8 divisors (see below), whose sum is σ = 154271672064. Its totient is φ = 96419794800.

The previous prime is 124542235087. The next prime is 124542235109. The reversal of 124542235105 is 501532245421.

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 124542235105 - 2⁷ = 124542234977 is a prime.

It is a super-2 number, since 2×124542235105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124542235109) by changing a digit.

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, 401748991 + ... + 401749300.

It is an arithmetic number, because the mean of its divisors is an integer number (19283959008).

Almost surely, 2^124542235105 is an apocalyptic number.

It is an amenable number.

124542235105 is a deficient number, since it is larger than the sum of its proper divisors (29729436959).

124542235105 is an equidigital number, since it uses as much as digits as its factorization.

124542235105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803498327.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 124542235105 in words is "one hundred twenty-four billion, five hundred forty-two million, two hundred thirty-five thousand, one hundred five".