124442281 has 4 divisors (see below), whose sum is σ = 124963200. Its totient is φ = 123921364.

The previous prime is 124442243. The next prime is 124442287. The reversal of 124442281 is 182244421.

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 124442281 - 2¹⁵ = 124409513 is a prime.

It is a super-2 number, since 2×124442281² = 30971762600965922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124442287) 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, 260101 + ... + 260578.

It is an arithmetic number, because the mean of its divisors is an integer number (31240800).

Almost surely, 2^124442281 is an apocalyptic number.

It is an amenable number.

124442281 is a deficient number, since it is larger than the sum of its proper divisors (520919).

124442281 is an equidigital number, since it uses as much as digits as its factorization.

124442281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520918.

The product of its digits is 4096, while the sum is 28.

The square root of 124442281 is about 11155.3700521318. The cubic root of 124442281 is about 499.2552659598.

The spelling of 124442281 in words is "one hundred twenty-four million, four hundred forty-two thousand, two hundred eighty-one".