124320200545 has 8 divisors (see below), whose sum is σ = 149188053096. Its totient is φ = 99453618816.

The previous prime is 124320200513. The next prime is 124320200567. The reversal of 124320200545 is 545002023421.

It can be written as a sum of positive squares in 4 ways, for example, as 7657650064 + 116662550481 = 87508^2 + 341559^2 .

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 124320200545 - 2⁵ = 124320200513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87292 + ... + 506221.

It is an arithmetic number, because the mean of its divisors is an integer number (18648506637).

Almost surely, 2^124320200545 is an apocalyptic number.

It is an amenable number.

124320200545 is a deficient number, since it is larger than the sum of its proper divisors (24867852551).

124320200545 is an equidigital number, since it uses as much as digits as its factorization.

124320200545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635411.

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

Adding to 124320200545 its reverse (545002023421), we get a palindrome (669322223966).

The spelling of 124320200545 in words is "one hundred twenty-four billion, three hundred twenty million, two hundred thousand, five hundred forty-five".