442102124 has 6 divisors (see below), whose sum is σ = 773678724. Its totient is φ = 221051060.

The previous prime is 442102123. The next prime is 442102231. The reversal of 442102124 is 421201244.

It is a super-2 number, since 2×442102124² = 390908576090622752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442102096 and 442102105.

It is not an unprimeable number, because it can be changed into a prime (442102121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55262762 + ... + 55262769.

It is an arithmetic number, because the mean of its divisors is an integer number (128946454).

Almost surely, 2^442102124 is an apocalyptic number.

It is an amenable number.

442102124 is a deficient number, since it is larger than the sum of its proper divisors (331576600).

442102124 is a wasteful number, since it uses less digits than its factorization.

442102124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110525535 (or 110525533 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 442102124 is about 21026.2246730125. The cubic root of 442102124 is about 761.7998224992.

Adding to 442102124 its reverse (421201244), we get a palindrome (863303368).

The spelling of 442102124 in words is "four hundred forty-two million, one hundred two thousand, one hundred twenty-four".