124040102 has 4 divisors (see below), whose sum is σ = 186060156. Its totient is φ = 62020050.

The previous prime is 124040099. The next prime is 124040107. The reversal of 124040102 is 201040421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124040107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31010024 + ... + 31010027.

It is an arithmetic number, because the mean of its divisors is an integer number (46515039).

Almost surely, 2^124040102 is an apocalyptic number.

124040102 is a deficient number, since it is larger than the sum of its proper divisors (62020054).

124040102 is an equidigital number, since it uses as much as digits as its factorization.

124040102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62020053.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 124040102 is about 11137.3292130564. The cubic root of 124040102 is about 498.7168458478.

Adding to 124040102 its reverse (201040421), we get a palindrome (325080523).

The spelling of 124040102 in words is "one hundred twenty-four million, forty thousand, one hundred two".