124120420041 has 4 divisors (see below), whose sum is σ = 165493893392. Its totient is φ = 82746946692.

The previous prime is 124120420031. The next prime is 124120420049. The reversal of 124120420041 is 140024021421.

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 not a de Polignac number, because 124120420041 - 2³³ = 115530485449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124120420049) 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, 20686736671 + ... + 20686736676.

It is an arithmetic number, because the mean of its divisors is an integer number (41373473348).

Almost surely, 2^124120420041 is an apocalyptic number.

It is an amenable number.

124120420041 is a deficient number, since it is larger than the sum of its proper divisors (41373473351).

124120420041 is an equidigital number, since it uses as much as digits as its factorization.

124120420041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41373473350.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 124120420041 its reverse (140024021421), we get a palindrome (264144441462).

The spelling of 124120420041 in words is "one hundred twenty-four billion, one hundred twenty million, four hundred twenty thousand, forty-one".