124441421 has 8 divisors (see below), whose sum is σ = 135850680. Its totient is φ = 113294592.

The previous prime is 124441417. The next prime is 124441423. The reversal of 124441421 is 124144421.

It can be written as a sum of positive squares in 4 ways, for example, as 17732521 + 106708900 = 4211^2 + 10330^2 .

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 124441421 - 2² = 124441417 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 (124441423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64616 + ... + 66513.

It is an arithmetic number, because the mean of its divisors is an integer number (16981335).

Almost surely, 2^124441421 is an apocalyptic number.

It is an amenable number.

124441421 is a deficient number, since it is larger than the sum of its proper divisors (11409259).

124441421 is a wasteful number, since it uses less digits than its factorization.

124441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131215.

The product of its digits is 1024, while the sum is 23.

The square root of 124441421 is about 11155.3315056075. The cubic root of 124441421 is about 499.2541158670.

Adding to 124441421 its reverse (124144421), we get a palindrome (248585842).

The spelling of 124441421 in words is "one hundred twenty-four million, four hundred forty-one thousand, four hundred twenty-one".