1195147001 has 2 divisors, whose sum is σ = 1195147002. Its totient is φ = 1195147000.

The previous prime is 1195146989. The next prime is 1195147003. The reversal of 1195147001 is 1007415911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126273600 + 68873401 = 33560^2 + 8299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1195147001 is a prime.

It is a Sophie Germain prime.

Together with 1195147003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1195147003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597573500 + 597573501.

It is an arithmetic number, because the mean of its divisors is an integer number (597573501).

Almost surely, 2^1195147001 is an apocalyptic number.

It is an amenable number.

1195147001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195147001 is an equidigital number, since it uses as much as digits as its factorization.

1195147001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 1195147001 is about 34570.8981804060. The cubic root of 1195147001 is about 1061.2241112199.

The spelling of 1195147001 in words is "one billion, one hundred ninety-five million, one hundred forty-seven thousand, one".