455272121 has 8 divisors (see below), whose sum is σ = 485523360. Its totient is φ = 425406528.

The previous prime is 455272099. The next prime is 455272157. The reversal of 455272121 is 121272554.

It is a happy number.

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 455272121 - 2¹⁸ = 455009977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455272171) 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, 93971 + ... + 98696.

It is an arithmetic number, because the mean of its divisors is an integer number (60690420).

Almost surely, 2^455272121 is an apocalyptic number.

It is an amenable number.

455272121 is a deficient number, since it is larger than the sum of its proper divisors (30251239).

455272121 is a wasteful number, since it uses less digits than its factorization.

455272121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192823.

The product of its digits is 5600, while the sum is 29.

The square root of 455272121 is about 21337.1066688996. The cubic root of 455272121 is about 769.2904696837.

The spelling of 455272121 in words is "four hundred fifty-five million, two hundred seventy-two thousand, one hundred twenty-one".