1201598371 has 2 divisors, whose sum is σ = 1201598372. Its totient is φ = 1201598370.

The previous prime is 1201598341. The next prime is 1201598393. The reversal of 1201598371 is 1738951021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201598371 - 2⁷ = 1201598243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201598371.

It is not a weakly prime, because it can be changed into another prime (1201598341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600799185 + 600799186.

It is an arithmetic number, because the mean of its divisors is an integer number (600799186).

Almost surely, 2^1201598371 is an apocalyptic number.

1201598371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201598371 is an equidigital number, since it uses as much as digits as its factorization.

1201598371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1201598371 is about 34664.0789723310. The cubic root of 1201598371 is about 1063.1301717012.

The spelling of 1201598371 in words is "one billion, two hundred one million, five hundred ninety-eight thousand, three hundred seventy-one".