452121903 has 6 divisors (see below), whose sum is σ = 653064984. Its totient is φ = 301414596.

The previous prime is 452121881. The next prime is 452121931. The reversal of 452121903 is 309121254.

452121903 is a `hidden beast` number, since 452 + 121 + 90 + 3 = 666.

It is not a de Polignac number, because 452121903 - 2⁵ = 452121871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452121983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25117875 + ... + 25117892.

It is an arithmetic number, because the mean of its divisors is an integer number (108844164).

Almost surely, 2^452121903 is an apocalyptic number.

452121903 is a deficient number, since it is larger than the sum of its proper divisors (200943081).

452121903 is a wasteful number, since it uses less digits than its factorization.

452121903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50235773 (or 50235770 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 452121903 is about 21263.1583495961. The cubic root of 452121903 is about 767.5120140154.

The spelling of 452121903 in words is "four hundred fifty-two million, one hundred twenty-one thousand, nine hundred three".