124520545 has 8 divisors (see below), whose sum is σ = 149878080. Its totient is φ = 99314160.

The previous prime is 124520527. The next prime is 124520569. The reversal of 124520545 is 545025421.

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

It is not a de Polignac number, because 124520545 - 2²¹ = 122423393 is a prime.

It is a super-2 number, since 2×124520545² = 31010732254194050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35965 + ... + 39274.

It is an arithmetic number, because the mean of its divisors is an integer number (18734760).

Almost surely, 2^124520545 is an apocalyptic number.

It is an amenable number.

124520545 is a deficient number, since it is larger than the sum of its proper divisors (25357535).

124520545 is an equidigital number, since it uses as much as digits as its factorization.

124520545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75575.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 124520545 is about 11158.8774076965. The cubic root of 124520545 is about 499.3599075797.

Adding to 124520545 its reverse (545025421), we get a palindrome (669545966).

The spelling of 124520545 in words is "one hundred twenty-four million, five hundred twenty thousand, five hundred forty-five".