1451130209 has 2 divisors, whose sum is σ = 1451130210. Its totient is φ = 1451130208.

The previous prime is 1451130203. The next prime is 1451130211. The reversal of 1451130209 is 9020311541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1421667025 + 29463184 = 37705^2 + 5428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451130209 is a prime.

Together with 1451130211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1451130203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725565104 + 725565105.

It is an arithmetic number, because the mean of its divisors is an integer number (725565105).

Almost surely, 2^1451130209 is an apocalyptic number.

It is an amenable number.

1451130209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451130209 is an equidigital number, since it uses as much as digits as its factorization.

1451130209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1451130209 is about 38093.7030098152. The cubic root of 1451130209 is about 1132.1451950860.

The spelling of 1451130209 in words is "one billion, four hundred fifty-one million, one hundred thirty thousand, two hundred nine".