442103121 has 48 divisors (see below), whose sum is σ = 684802560. Its totient is φ = 274337280.

The previous prime is 442103119. The next prime is 442103141. The reversal of 442103121 is 121301244.

442103121 is a `hidden beast` number, since 442 + 103 + 121 = 666.

It is not a de Polignac number, because 442103121 - 2¹ = 442103119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442103094 and 442103103.

It is not an unprimeable number, because it can be changed into a prime (442103141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1166310 + ... + 1166688.

It is an arithmetic number, because the mean of its divisors is an integer number (14266720).

Almost surely, 2^442103121 is an apocalyptic number.

It is an amenable number.

442103121 is a deficient number, since it is larger than the sum of its proper divisors (242699439).

442103121 is a wasteful number, since it uses less digits than its factorization.

442103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 442103121 is about 21026.2483814874. The cubic root of 442103121 is about 761.8003951526.

Adding to 442103121 its reverse (121301244), we get a palindrome (563404365).

The spelling of 442103121 in words is "four hundred forty-two million, one hundred three thousand, one hundred twenty-one".