124441381 has 4 divisors (see below), whose sum is σ = 124499200. Its totient is φ = 124383564.

The previous prime is 124441367. The next prime is 124441391. The reversal of 124441381 is 183144421.

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 a cyclic number.

It is not a de Polignac number, because 124441381 - 2⁷ = 124441253 is a prime.

It is a super-2 number, since 2×124441381² = 30971314610374322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124441351) 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, 25551 + ... + 30028.

It is an arithmetic number, because the mean of its divisors is an integer number (31124800).

Almost surely, 2^124441381 is an apocalyptic number.

It is an amenable number.

124441381 is a deficient number, since it is larger than the sum of its proper divisors (57819).

124441381 is an equidigital number, since it uses as much as digits as its factorization.

124441381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57818.

The product of its digits is 3072, while the sum is 28.

The square root of 124441381 is about 11155.3297127427. The cubic root of 124441381 is about 499.2540623742.

The spelling of 124441381 in words is "one hundred twenty-four million, four hundred forty-one thousand, three hundred eighty-one".