124103256136 has 16 divisors (see below), whose sum is σ = 232746882300. Its totient is φ = 62037420864.

The previous prime is 124103256131. The next prime is 124103256143. The reversal of 124103256136 is 631652301421.

It can be written as a sum of positive squares in 2 ways, for example, as 124065972900 + 37283236 = 352230^2 + 6106^2 .

It is not an unprimeable number, because it can be changed into a prime (124103256131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738731 + ... + 1808698.

Almost surely, 2^124103256136 is an apocalyptic number.

It is an amenable number.

124103256136 is a deficient number, since it is larger than the sum of its proper divisors (108643626164).

124103256136 is a wasteful number, since it uses less digits than its factorization.

124103256136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551808 (or 3551804 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 124103256136 its reverse (631652301421), we get a palindrome (755755557557).

The spelling of 124103256136 in words is "one hundred twenty-four billion, one hundred three million, two hundred fifty-six thousand, one hundred thirty-six".