124640041 has 8 divisors (see below), whose sum is σ = 127864800. Its totient is φ = 121424160.

The previous prime is 124639993. The next prime is 124640077. The reversal of 124640041 is 140046421.

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 124640041 - 2²³ = 116251433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124639994 and 124640021.

It is not an unprimeable number, because it can be changed into a prime (124644041) 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 7 ways as a sum of consecutive naturals, for example, 33450 + ... + 36988.

It is an arithmetic number, because the mean of its divisors is an integer number (15983100).

Almost surely, 2^124640041 is an apocalyptic number.

It is an amenable number.

124640041 is a deficient number, since it is larger than the sum of its proper divisors (3224759).

124640041 is an equidigital number, since it uses as much as digits as its factorization.

124640041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 124640041 is about 11164.2304257839. The cubic root of 124640041 is about 499.5195932332.

Adding to 124640041 its reverse (140046421), we get a palindrome (264686462).

The spelling of 124640041 in words is "one hundred twenty-four million, six hundred forty thousand, forty-one".