1201323559 has 2 divisors, whose sum is σ = 1201323560. Its totient is φ = 1201323558.

The previous prime is 1201323527. The next prime is 1201323577. The reversal of 1201323559 is 9553231021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201323559 - 2⁵ = 1201323527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201323559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201323859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600661779 + 600661780.

It is an arithmetic number, because the mean of its divisors is an integer number (600661780).

Almost surely, 2^1201323559 is an apocalyptic number.

1201323559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201323559 is an equidigital number, since it uses as much as digits as its factorization.

1201323559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1201323559 is about 34660.1148151589. The cubic root of 1201323559 is about 1063.0491176620.

The spelling of 1201323559 in words is "one billion, two hundred one million, three hundred twenty-three thousand, five hundred fifty-nine".