481405129 has 2 divisors, whose sum is σ = 481405130. Its totient is φ = 481405128.

The previous prime is 481405123. The next prime is 481405159. The reversal of 481405129 is 921504184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463325625 + 18079504 = 21525^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 481405129 - 2³ = 481405121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 481405094 and 481405103.

It is not a weakly prime, because it can be changed into another prime (481405121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240702564 + 240702565.

It is an arithmetic number, because the mean of its divisors is an integer number (240702565).

Almost surely, 2^481405129 is an apocalyptic number.

It is an amenable number.

481405129 is a deficient number, since it is larger than the sum of its proper divisors (1).

481405129 is an equidigital number, since it uses as much as digits as its factorization.

481405129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 481405129 is about 21940.9464016482. The cubic root of 481405129 is about 783.7367969951.

The spelling of 481405129 in words is "four hundred eighty-one million, four hundred five thousand, one hundred twenty-nine".