124440553 has 4 divisors (see below), whose sum is σ = 124528000. Its totient is φ = 124353108.

The previous prime is 124440523. The next prime is 124440587. The reversal of 124440553 is 355044421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124440553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124440523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41553 + ... + 44446.

It is an arithmetic number, because the mean of its divisors is an integer number (31132000).

Almost surely, 2^124440553 is an apocalyptic number.

It is an amenable number.

124440553 is a deficient number, since it is larger than the sum of its proper divisors (87447).

124440553 is an equidigital number, since it uses as much as digits as its factorization.

124440553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87446.

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

The square root of 124440553 is about 11155.2926003758. The cubic root of 124440553 is about 499.2529550703.

Adding to 124440553 its reverse (355044421), we get a palindrome (479484974).

The spelling of 124440553 in words is "one hundred twenty-four million, four hundred forty thousand, five hundred fifty-three".