455142121 has 8 divisors (see below), whose sum is σ = 520810304. Its totient is φ = 389635920.

The previous prime is 455142119. The next prime is 455142151. The reversal of 455142121 is 121241554.

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

It is a cyclic number.

It is not a de Polignac number, because 455142121 - 2¹ = 455142119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455142151) 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, 34410 + ... + 45763.

It is an arithmetic number, because the mean of its divisors is an integer number (65101288).

Almost surely, 2^455142121 is an apocalyptic number.

It is an amenable number.

455142121 is a deficient number, since it is larger than the sum of its proper divisors (65668183).

455142121 is an equidigital number, since it uses as much as digits as its factorization.

455142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80991.

The product of its digits is 1600, while the sum is 25.

The square root of 455142121 is about 21334.0601152242. The cubic root of 455142121 is about 769.2172407459.

Adding to 455142121 its reverse (121241554), we get a palindrome (576383675).

The spelling of 455142121 in words is "four hundred fifty-five million, one hundred forty-two thousand, one hundred twenty-one".