442120133 has 8 divisors (see below), whose sum is σ = 544147968. Its totient is φ = 349809264.

The previous prime is 442120123. The next prime is 442120157. The reversal of 442120133 is 331021244.

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

It is not a de Polignac number, because 442120133 - 2²⁴ = 425342917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442120123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429141 + ... + 2429322.

It is an arithmetic number, because the mean of its divisors is an integer number (68018496).

Almost surely, 2^442120133 is an apocalyptic number.

It is an amenable number.

442120133 is a deficient number, since it is larger than the sum of its proper divisors (102027835).

442120133 is a wasteful number, since it uses less digits than its factorization.

442120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858483.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 442120133 is about 21026.6529195685. The cubic root of 442120133 is about 761.8101663134.

Adding to 442120133 its reverse (331021244), we get a palindrome (773141377).

The spelling of 442120133 in words is "four hundred forty-two million, one hundred twenty thousand, one hundred thirty-three".