124542135 has 12 divisors (see below), whose sum is σ = 215873112. Its totient is φ = 66422448.

The previous prime is 124542109. The next prime is 124542137. The reversal of 124542135 is 531245421.

It is not a de Polignac number, because 124542135 - 2⁷ = 124542007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124542099 and 124542108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124542137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1383757 + ... + 1383846.

It is an arithmetic number, because the mean of its divisors is an integer number (17989426).

Almost surely, 2^124542135 is an apocalyptic number.

124542135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

124542135 is a deficient number, since it is larger than the sum of its proper divisors (91330977).

124542135 is a wasteful number, since it uses less digits than its factorization.

124542135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767614 (or 2767611 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 124542135 is about 11159.8447569847. The cubic root of 124542135 is about 499.3887664248.

Adding to 124542135 its reverse (531245421), we get a palindrome (655787556).

It can be divided in two parts, 1245421 and 35, that added together give a square (1245456 = 1116²).

The spelling of 124542135 in words is "one hundred twenty-four million, five hundred forty-two thousand, one hundred thirty-five".