447056129 has 32 divisors (see below), whose sum is σ = 517300224. Its totient is φ = 383201280.

The previous prime is 447056119. The next prime is 447056131. The reversal of 447056129 is 921650744.

It is a cyclic number.

It is not a de Polignac number, because 447056129 - 2²⁴ = 430278913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447056092 and 447056101.

It is not an unprimeable number, because it can be changed into a prime (447056119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2316257 + ... + 2316449.

It is an arithmetic number, because the mean of its divisors is an integer number (16165632).

Almost surely, 2^447056129 is an apocalyptic number.

It is an amenable number.

447056129 is a deficient number, since it is larger than the sum of its proper divisors (70244095).

447056129 is a wasteful number, since it uses less digits than its factorization.

447056129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 447056129 is about 21143.7018754995. The cubic root of 447056129 is about 764.6347261528.

The spelling of 447056129 in words is "four hundred forty-seven million, fifty-six thousand, one hundred twenty-nine".