442124122 has 8 divisors (see below), whose sum is σ = 723475872. Its totient is φ = 200965500.

The previous prime is 442124119. The next prime is 442124149. The reversal of 442124122 is 221421244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 20096551 = 442124122 / (4 + 4 + 2 + 1 + 2 + 4 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 442124093 and 442124102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10048254 + ... + 10048297.

It is an arithmetic number, because the mean of its divisors is an integer number (90434484).

Almost surely, 2^442124122 is an apocalyptic number.

442124122 is a deficient number, since it is larger than the sum of its proper divisors (281351750).

442124122 is a wasteful number, since it uses less digits than its factorization.

442124122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096564.

The product of its digits is 1024, while the sum is 22.

The square root of 442124122 is about 21026.7477751553. The cubic root of 442124122 is about 761.8124574340.

Adding to 442124122 its reverse (221421244), we get a palindrome (663545366).

The spelling of 442124122 in words is "four hundred forty-two million, one hundred twenty-four thousand, one hundred twenty-two".