124854988819 has 32 divisors (see below), whose sum is σ = 152162012160. Its totient is φ = 100969228800.

The previous prime is 124854988787. The next prime is 124854988823. The reversal of 124854988819 is 918889458421.

It is not a de Polignac number, because 124854988819 - 2⁵ = 124854988787 is a prime.

It is a super-2 number, since 2×124854988819² (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 (124854988859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1490577 + ... + 1572109.

It is an arithmetic number, because the mean of its divisors is an integer number (4755062880).

Almost surely, 2^124854988819 is an apocalyptic number.

124854988819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

124854988819 is a deficient number, since it is larger than the sum of its proper divisors (27307023341).

124854988819 is a wasteful number, since it uses less digits than its factorization.

124854988819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82011.

The product of its digits is 53084160, while the sum is 67.

The spelling of 124854988819 in words is "one hundred twenty-four billion, eight hundred fifty-four million, nine hundred eighty-eight thousand, eight hundred nineteen".