124540545 has 8 divisors (see below), whose sum is σ = 199264896. Its totient is φ = 66421616.

The previous prime is 124540543. The next prime is 124540567. The reversal of 124540545 is 545045421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124540545 - 2¹ = 124540543 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4151337 + ... + 4151366.

It is an arithmetic number, because the mean of its divisors is an integer number (24908112).

Almost surely, 2^124540545 is an apocalyptic number.

124540545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124540545 is a deficient number, since it is larger than the sum of its proper divisors (74724351).

124540545 is an equidigital number, since it uses as much as digits as its factorization.

124540545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302711.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 124540545 is about 11159.7735192073. The cubic root of 124540545 is about 499.3866412230.

Adding to 124540545 its reverse (545045421), we get a palindrome (669585966).

The spelling of 124540545 in words is "one hundred twenty-four million, five hundred forty thousand, five hundred forty-five".