124422505 has 8 divisors (see below), whose sum is σ = 149603400. Its totient is φ = 99340416.

The previous prime is 124422503. The next prime is 124422511. The reversal of 124422505 is 505224421.

It can be written as a sum of positive squares in 4 ways, for example, as 32626944 + 91795561 = 5712^2 + 9581^2 .

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 124422505 - 2¹ = 124422503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124422505.

It is not an unprimeable number, because it can be changed into a prime (124422503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21900 + ... + 26989.

It is an arithmetic number, because the mean of its divisors is an integer number (18700425).

Almost surely, 2^124422505 is an apocalyptic number.

It is an amenable number.

124422505 is a deficient number, since it is larger than the sum of its proper divisors (25180895).

124422505 is an equidigital number, since it uses as much as digits as its factorization.

124422505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49403.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 124422505 is about 11154.4836276719. The cubic root of 124422505 is about 499.2288178343.

Adding to 124422505 its reverse (505224421), we get a palindrome (629646926).

The spelling of 124422505 in words is "one hundred twenty-four million, four hundred twenty-two thousand, five hundred five".