1204130069 has 2 divisors, whose sum is σ = 1204130070. Its totient is φ = 1204130068.

The previous prime is 1204130051. The next prime is 1204130071. The reversal of 1204130069 is 9600314021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113023044 + 91107025 = 33362^2 + 9545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204130069 - 2²⁴ = 1187352853 is a prime.

It is a super-2 number, since 2×1204130069² = 2899858446139889522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1204130071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204130099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602065034 + 602065035.

It is an arithmetic number, because the mean of its divisors is an integer number (602065035).

Almost surely, 2^1204130069 is an apocalyptic number.

It is an amenable number.

1204130069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204130069 is an equidigital number, since it uses as much as digits as its factorization.

1204130069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1204130069 is about 34700.5773583092. The cubic root of 1204130069 is about 1063.8762991119.

The spelling of 1204130069 in words is "one billion, two hundred four million, one hundred thirty thousand, sixty-nine".