1201607189 has 2 divisors, whose sum is σ = 1201607190. Its totient is φ = 1201607188.

The previous prime is 1201607161. The next prime is 1201607221. The reversal of 1201607189 is 9817061021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196122225 + 5484964 = 34585^2 + 2342^2 .

It is an emirp because it is prime and its reverse (9817061021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201607189 - 2¹² = 1201603093 is a prime.

It is a Sophie Germain 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 (1201607689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600803594 + 600803595.

It is an arithmetic number, because the mean of its divisors is an integer number (600803595).

Almost surely, 2^1201607189 is an apocalyptic number.

It is an amenable number.

1201607189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201607189 is an equidigital number, since it uses as much as digits as its factorization.

1201607189 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 35.

The square root of 1201607189 is about 34664.2061642842. The cubic root of 1201607189 is about 1063.1327723092.

The spelling of 1201607189 in words is "one billion, two hundred one million, six hundred seven thousand, one hundred eighty-nine".