1201253567 has 2 divisors, whose sum is σ = 1201253568. Its totient is φ = 1201253566.

The previous prime is 1201253563. The next prime is 1201253569. The reversal of 1201253567 is 7653521021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201253567 - 2² = 1201253563 is a prime.

Together with 1201253569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201253563) 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 as a sum of consecutive naturals, namely, 600626783 + 600626784.

It is an arithmetic number, because the mean of its divisors is an integer number (600626784).

Almost surely, 2^1201253567 is an apocalyptic number.

1201253567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201253567 is an equidigital number, since it uses as much as digits as its factorization.

1201253567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1201253567 is about 34659.1051096245. The cubic root of 1201253567 is about 1063.0284719949.

Adding to 1201253567 its reverse (7653521021), we get a palindrome (8854774588).

The spelling of 1201253567 in words is "one billion, two hundred one million, two hundred fifty-three thousand, five hundred sixty-seven".