1201345247 has 2 divisors, whose sum is σ = 1201345248. Its totient is φ = 1201345246.

The previous prime is 1201345231. The next prime is 1201345253. The reversal of 1201345247 is 7425431021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201345247 - 2⁴ = 1201345231 is a prime.

It is a super-3 number, since 3×1201345247³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201345217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600672623 + 600672624.

It is an arithmetic number, because the mean of its divisors is an integer number (600672624).

Almost surely, 2^1201345247 is an apocalyptic number.

1201345247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201345247 is an equidigital number, since it uses as much as digits as its factorization.

1201345247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1201345247 is about 34660.4276805697. The cubic root of 1201345247 is about 1063.0555148479.

Adding to 1201345247 its reverse (7425431021), we get a palindrome (8626776268).

The spelling of 1201345247 in words is "one billion, two hundred one million, three hundred forty-five thousand, two hundred forty-seven".