1201395319 has 2 divisors, whose sum is σ = 1201395320. Its totient is φ = 1201395318.

The previous prime is 1201395313. The next prime is 1201395323. The reversal of 1201395319 is 9135931021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201395319 - 2³ = 1201395311 is a prime.

It is a super-2 number, since 2×1201395319² = 2886701425030223522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201395311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600697659 + 600697660.

It is an arithmetic number, because the mean of its divisors is an integer number (600697660).

Almost surely, 2^1201395319 is an apocalyptic number.

1201395319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201395319 is an equidigital number, since it uses as much as digits as its factorization.

1201395319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1201395319 is about 34661.1499953478. The cubic root of 1201395319 is about 1063.0702840068.

The spelling of 1201395319 in words is "one billion, two hundred one million, three hundred ninety-five thousand, three hundred nineteen".