124532542 has 4 divisors (see below), whose sum is σ = 186798816. Its totient is φ = 62266270.

The previous prime is 124532521. The next prime is 124532543. The reversal of 124532542 is 245235421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245235421 = 17 ⋅14425613.

It is a self number, because there is not a number n which added to its sum of digits gives 124532542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124532543) 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 as a sum of consecutive naturals, namely, 31133134 + ... + 31133137.

It is an arithmetic number, because the mean of its divisors is an integer number (46699704).

Almost surely, 2^124532542 is an apocalyptic number.

124532542 is a deficient number, since it is larger than the sum of its proper divisors (62266274).

124532542 is an equidigital number, since it uses as much as digits as its factorization.

124532542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62266273.

The product of its digits is 9600, while the sum is 28.

The square root of 124532542 is about 11159.4149488224. The cubic root of 124532542 is about 499.3759440992.

Adding to 124532542 its reverse (245235421), we get a palindrome (369767963).

The spelling of 124532542 in words is "one hundred twenty-four million, five hundred thirty-two thousand, five hundred forty-two".