1201263567 has 12 divisors (see below), whose sum is σ = 1863184536. Its totient is φ = 686436240.

The previous prime is 1201263521. The next prime is 1201263577. The reversal of 1201263567 is 7653621021.

It is not a de Polignac number, because 1201263567 - 2⁷ = 1201263439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201263517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4085784 + ... + 4086077.

It is an arithmetic number, because the mean of its divisors is an integer number (155265378).

Almost surely, 2^1201263567 is an apocalyptic number.

1201263567 is a deficient number, since it is larger than the sum of its proper divisors (661920969).

1201263567 is an equidigital number, since it uses as much as digits as its factorization.

1201263567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171878 (or 8171871 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1201263567 is about 34659.2493715603. The cubic root of 1201263567 is about 1063.0314217621.

Adding to 1201263567 its reverse (7653621021), we get a palindrome (8854884588).

The spelling of 1201263567 in words is "one billion, two hundred one million, two hundred sixty-three thousand, five hundred sixty-seven".