451120399 has 2 divisors, whose sum is σ = 451120400. Its totient is φ = 451120398.

The previous prime is 451120357. The next prime is 451120403. The reversal of 451120399 is 993021154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451120399 - 2¹⁷ = 450989327 is a prime.

It is a super-2 number, since 2×451120399² = 407019228787838402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451120349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225560199 + 225560200.

It is an arithmetic number, because the mean of its divisors is an integer number (225560200).

Almost surely, 2^451120399 is an apocalyptic number.

451120399 is a deficient number, since it is larger than the sum of its proper divisors (1).

451120399 is an equidigital number, since it uses as much as digits as its factorization.

451120399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 451120399 is about 21239.5950761779. The cubic root of 451120399 is about 766.9448848046.

The spelling of 451120399 in words is "four hundred fifty-one million, one hundred twenty thousand, three hundred ninety-nine".