124042111 has 8 divisors (see below), whose sum is σ = 126209664.
Its totient is φ = 121887360.
The previous prime is 124042063. The next prime is 124042117. The reversal of 124042111 is 111240421.
It is a happy number.
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 124042111 - 215 = 124009343 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 (124042117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17490 + ... + 23536.
It is an arithmetic number, because the mean of its divisors is an integer number (15776208).
Almost surely, 2124042111 is an apocalyptic number.
124042111 is a deficient number, since it is larger than the sum of its proper divisors (2167553).
124042111 is an equidigital number, since it uses as much as digits as its factorization.
124042111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6401.
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 124042111 is about 11137.4194048711.
The cubic root of 124042111 is about 498.7195383016.
Adding to 124042111 its reverse (111240421), we get a palindrome (235282532).
It can be divided in two parts, 1240421 and 11, that multiplied together give a palindrome (13644631).
The spelling of 124042111 in words is "one hundred twenty-four million, forty-two thousand, one hundred eleven".