124540542 has 24 divisors (see below), whose sum is σ = 308386416. Its totient is φ = 35582976.

The previous prime is 124540541. The next prime is 124540543. The reversal of 124540542 is 245045421.

It is an interprime number because it is at equal distance from previous prime (124540541) and next prime (124540543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124540541) 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, 494083 + ... + 494334.

It is an arithmetic number, because the mean of its divisors is an integer number (12849434).

Almost surely, 2^124540542 is an apocalyptic number.

124540542 is an abundant number, since it is smaller than the sum of its proper divisors (183845874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124540542 is a wasteful number, since it uses less digits than its factorization.

124540542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988432 (or 988429 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 124540542 is about 11159.7733847959. The cubic root of 124540542 is about 499.3866372132.

Adding to 124540542 its reverse (245045421), we get a palindrome (369585963).

The spelling of 124540542 in words is "one hundred twenty-four million, five hundred forty thousand, five hundred forty-two".