124225013 has 12 divisors (see below), whose sum is σ = 136880940. Its totient is φ = 112654080.

The previous prime is 124224973. The next prime is 124225019. The reversal of 124225013 is 310522421.

It can be written as a sum of positive squares in 2 ways, for example, as 103083409 + 21141604 = 10153^2 + 4598^2 .

It is not a de Polignac number, because 124225013 - 2²⁴ = 107447797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124225019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60581 + ... + 62597.

It is an arithmetic number, because the mean of its divisors is an integer number (11406745).

Almost surely, 2^124225013 is an apocalyptic number.

It is an amenable number.

124225013 is a deficient number, since it is larger than the sum of its proper divisors (12655927).

124225013 is a wasteful number, since it uses less digits than its factorization.

124225013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 124225013 is about 11145.6275283180. The cubic root of 124225013 is about 498.9645411301.

Adding to 124225013 its reverse (310522421), we get a palindrome (434747434).

The spelling of 124225013 in words is "one hundred twenty-four million, two hundred twenty-five thousand, thirteen".