124190978485 has 24 divisors (see below), whose sum is σ = 173650089600. Its totient is φ = 85017258144.

The previous prime is 124190978479. The next prime is 124190978489. The reversal of 124190978485 is 584879091421.

It is not a de Polignac number, because 124190978485 - 2¹⁵ = 124190945717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124190978489) 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 23 ways as a sum of consecutive naturals, for example, 276369 + ... + 569878.

It is an arithmetic number, because the mean of its divisors is an integer number (7235420400).

Almost surely, 2^124190978485 is an apocalyptic number.

It is an amenable number.

124190978485 is a deficient number, since it is larger than the sum of its proper divisors (49459111115).

124190978485 is an equidigital number, since it uses as much as digits as its factorization.

124190978485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846865 (or 846858 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 124190978485 in words is "one hundred twenty-four billion, one hundred ninety million, nine hundred seventy-eight thousand, four hundred eighty-five".