736165121 has 2 divisors, whose sum is σ = 736165122. Its totient is φ = 736165120.

The previous prime is 736165103. The next prime is 736165123. The reversal of 736165121 is 121561637.

736165121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526060096 + 210105025 = 22936^2 + 14495^2 .

It is an emirp because it is prime and its reverse (121561637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 736165121 - 2⁶ = 736165057 is a prime.

Together with 736165123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (736165123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368082560 + 368082561.

It is an arithmetic number, because the mean of its divisors is an integer number (368082561).

Almost surely, 2^736165121 is an apocalyptic number.

It is an amenable number.

736165121 is a deficient number, since it is larger than the sum of its proper divisors (1).

736165121 is an equidigital number, since it uses as much as digits as its factorization.

736165121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 736165121 is about 27132.3629822395. The cubic root of 736165121 is about 902.9390015401.

The spelling of 736165121 in words is "seven hundred thirty-six million, one hundred sixty-five thousand, one hundred twenty-one".