452916121 has 4 divisors (see below), whose sum is σ = 517618432. Its totient is φ = 388213812.

The previous prime is 452916089. The next prime is 452916131. The reversal of 452916121 is 121619254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121619254 = 2 ⋅60809627.

It is not a de Polignac number, because 452916121 - 2⁵ = 452916089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452916131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32351145 + ... + 32351158.

It is an arithmetic number, because the mean of its divisors is an integer number (129404608).

Almost surely, 2^452916121 is an apocalyptic number.

It is an amenable number.

452916121 is a deficient number, since it is larger than the sum of its proper divisors (64702311).

452916121 is an equidigital number, since it uses as much as digits as its factorization.

452916121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64702310.

The product of its digits is 4320, while the sum is 31.

The square root of 452916121 is about 21281.8260729666. The cubic root of 452916121 is about 767.9611666789.

The spelling of 452916121 in words is "four hundred fifty-two million, nine hundred sixteen thousand, one hundred twenty-one".