1255300129 has 2 divisors, whose sum is σ = 1255300130. Its totient is φ = 1255300128.

The previous prime is 1255300127. The next prime is 1255300169. The reversal of 1255300129 is 9210035521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188387729 + 66912400 = 34473^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255300129 - 2¹ = 1255300127 is a prime.

Together with 1255300127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1255300097 and 1255300106.

It is not a weakly prime, because it can be changed into another prime (1255300127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627650064 + 627650065.

It is an arithmetic number, because the mean of its divisors is an integer number (627650065).

Almost surely, 2^1255300129 is an apocalyptic number.

It is an amenable number.

1255300129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255300129 is an equidigital number, since it uses as much as digits as its factorization.

1255300129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1255300129 is about 35430.2149160854. The cubic root of 1255300129 is about 1078.7377024495.

The spelling of 1255300129 in words is "one billion, two hundred fifty-five million, three hundred thousand, one hundred twenty-nine".