124888138 has 8 divisors (see below), whose sum is σ = 187453188. Its totient is φ = 62403744.

The previous prime is 124888133. The next prime is 124888147. The reversal of 124888138 is 831888421.

It can be written as a sum of positive squares in 2 ways, for example, as 118091689 + 6796449 = 10867^2 + 2607^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 124888094 and 124888103.

It is not an unprimeable number, because it can be changed into a prime (124888133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16131 + ... + 22582.

Almost surely, 2^124888138 is an apocalyptic number.

124888138 is a deficient number, since it is larger than the sum of its proper divisors (62565050).

124888138 is a wasteful number, since it uses less digits than its factorization.

124888138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40328.

The product of its digits is 98304, while the sum is 43.

The square root of 124888138 is about 11175.3361470696. The cubic root of 124888138 is about 499.8508061535.

The spelling of 124888138 in words is "one hundred twenty-four million, eight hundred eighty-eight thousand, one hundred thirty-eight".