454532121 has 8 divisors (see below), whose sum is σ = 673380960. Its totient is φ = 303021396.

The previous prime is 454532053. The next prime is 454532149. The reversal of 454532121 is 121235454.

454532121 is a `hidden beast` number, since 4 + 5 + 4 + 532 + 121 = 666.

It is not a de Polignac number, because 454532121 - 2¹⁰ = 454531097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16834523 = 454532121 / (4 + 5 + 4 + 5 + 3 + 2 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (454532021) 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, 8417235 + ... + 8417288.

It is an arithmetic number, because the mean of its divisors is an integer number (84172620).

Almost surely, 2^454532121 is an apocalyptic number.

It is an amenable number.

454532121 is a deficient number, since it is larger than the sum of its proper divisors (218848839).

454532121 is a wasteful number, since it uses less digits than its factorization.

454532121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16834532 (or 16834526 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 454532121 is about 21319.7589339092. The cubic root of 454532121 is about 768.8734416884.

Adding to 454532121 its reverse (121235454), we get a palindrome (575767575).

It can be divided in two parts, 45453 and 2121, that added together give a palindrome (47574).

The spelling of 454532121 in words is "four hundred fifty-four million, five hundred thirty-two thousand, one hundred twenty-one".