487612129 has 2 divisors, whose sum is σ = 487612130. Its totient is φ = 487612128.

The previous prime is 487612127. The next prime is 487612157. The reversal of 487612129 is 921216784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355247104 + 132365025 = 18848^2 + 11505^2 .

It is a cyclic number.

It is not a de Polignac number, because 487612129 - 2¹ = 487612127 is a prime.

Together with 487612127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 487612091 and 487612100.

It is not a weakly prime, because it can be changed into another prime (487612127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243806064 + 243806065.

It is an arithmetic number, because the mean of its divisors is an integer number (243806065).

Almost surely, 2^487612129 is an apocalyptic number.

It is an amenable number.

487612129 is a deficient number, since it is larger than the sum of its proper divisors (1).

487612129 is an equidigital number, since it uses as much as digits as its factorization.

487612129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 487612129 is about 22081.9412416572. The cubic root of 487612129 is about 787.0907948444.

The spelling of 487612129 in words is "four hundred eighty-seven million, six hundred twelve thousand, one hundred twenty-nine".