124138652 has 24 divisors (see below), whose sum is σ = 242775792. Its totient is φ = 55049600.

The previous prime is 124138649. The next prime is 124138657. The reversal of 124138652 is 256831421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124138657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32603 + ... + 36210.

It is an arithmetic number, because the mean of its divisors is an integer number (10115658).

Almost surely, 2^124138652 is an apocalyptic number.

It is an amenable number.

124138652 is a deficient number, since it is larger than the sum of its proper divisors (118637140).

124138652 is a wasteful number, since it uses less digits than its factorization.

124138652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68869 (or 68867 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 124138652 is about 11141.7526448939. The cubic root of 124138652 is about 498.8488879157.

It can be divided in two parts, 1241 and 38652, that added together give a palindrome (39893).

The spelling of 124138652 in words is "one hundred twenty-four million, one hundred thirty-eight thousand, six hundred fifty-two".