442312124 has 6 divisors (see below), whose sum is σ = 774046224. Its totient is φ = 221156060.

The previous prime is 442312109. The next prime is 442312139. The reversal of 442312124 is 421213244.

It is an interprime number because it is at equal distance from previous prime (442312109) and next prime (442312139).

It is a self number, because there is not a number n which added to its sum of digits gives 442312124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55289012 + ... + 55289019.

It is an arithmetic number, because the mean of its divisors is an integer number (129007704).

Almost surely, 2^442312124 is an apocalyptic number.

It is an amenable number.

442312124 is a deficient number, since it is larger than the sum of its proper divisors (331734100).

442312124 is a wasteful number, since it uses less digits than its factorization.

442312124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110578035 (or 110578033 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 442312124 is about 21031.2178439576. The cubic root of 442312124 is about 761.9204225677.

Adding to 442312124 its reverse (421213244), we get a palindrome (863525368).

The spelling of 442312124 in words is "four hundred forty-two million, three hundred twelve thousand, one hundred twenty-four".