124391941 has 4 divisors (see below), whose sum is σ = 131709132. Its totient is φ = 117074752.

The previous prime is 124391893. The next prime is 124391947. The reversal of 124391941 is 149193421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34692100 + 89699841 = 5890^2 + 9471^2 .

It is a cyclic number.

It is not a de Polignac number, because 124391941 - 2¹⁵ = 124359173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124391897 and 124391906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124391947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658570 + ... + 3658603.

It is an arithmetic number, because the mean of its divisors is an integer number (32927283).

Almost surely, 2^124391941 is an apocalyptic number.

It is an amenable number.

124391941 is a deficient number, since it is larger than the sum of its proper divisors (7317191).

124391941 is an equidigital number, since it uses as much as digits as its factorization.

124391941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317190.

The product of its digits is 7776, while the sum is 34.

The square root of 124391941 is about 11153.1135114819. The cubic root of 124391941 is about 499.1879364864.

It can be divided in two parts, 124 and 391941, that multiplied together give a palindrome (48600684).

The spelling of 124391941 in words is "one hundred twenty-four million, three hundred ninety-one thousand, nine hundred forty-one".