1207226129 has 2 divisors, whose sum is σ = 1207226130. Its totient is φ = 1207226128.

The previous prime is 1207226113. The next prime is 1207226183. The reversal of 1207226129 is 9216227021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 798175504 + 409050625 = 28252^2 + 20225^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207226129 - 2⁴ = 1207226113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1207226095 and 1207226104.

It is not a weakly prime, because it can be changed into another prime (1207226329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603613064 + 603613065.

It is an arithmetic number, because the mean of its divisors is an integer number (603613065).

Almost surely, 2^1207226129 is an apocalyptic number.

It is an amenable number.

1207226129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207226129 is an equidigital number, since it uses as much as digits as its factorization.

1207226129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1207226129 is about 34745.1597924085. The cubic root of 1207226129 is about 1064.7873318807.

The spelling of 1207226129 in words is "one billion, two hundred seven million, two hundred twenty-six thousand, one hundred twenty-nine".