124288039 has 4 divisors (see below), whose sum is σ = 124310560. Its totient is φ = 124265520.

The previous prime is 124288033. The next prime is 124288091. The reversal of 124288039 is 930882421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930882421 = 7 ⋅132983203.

It is a cyclic number.

It is not a de Polignac number, because 124288039 - 2⁵ = 124288007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124287989 and 124288007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124288033) 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, 3259 + ... + 16099.

It is an arithmetic number, because the mean of its divisors is an integer number (31077640).

Almost surely, 2^124288039 is an apocalyptic number.

124288039 is a deficient number, since it is larger than the sum of its proper divisors (22521).

124288039 is an equidigital number, since it uses as much as digits as its factorization.

124288039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22520.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 124288039 is about 11148.4545565742. The cubic root of 124288039 is about 499.0489106720.

The spelling of 124288039 in words is "one hundred twenty-four million, two hundred eighty-eight thousand, thirty-nine".