124320445 has 8 divisors (see below), whose sum is σ = 149317344. Its totient is φ = 99367824.

The previous prime is 124320433. The next prime is 124320461. The reversal of 124320445 is 544023421.

It is a happy number.

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 124320445 - 2⁹ = 124319933 is a prime.

It is a Duffinian number.

It is a congruent 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, 4539 + ... + 16408.

It is an arithmetic number, because the mean of its divisors is an integer number (18664668).

Almost surely, 2^124320445 is an apocalyptic number.

It is an amenable number.

124320445 is a deficient number, since it is larger than the sum of its proper divisors (24996899).

124320445 is a wasteful number, since it uses less digits than its factorization.

124320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 124320445 is about 11149.9078471528. The cubic root of 124320445 is about 499.0922797518.

Adding to 124320445 its reverse (544023421), we get a palindrome (668343866).

The spelling of 124320445 in words is "one hundred twenty-four million, three hundred twenty thousand, four hundred forty-five".