1201055165 has 16 divisors (see below), whose sum is σ = 1490612736. Its totient is φ = 928065600.

The previous prime is 1201055137. The next prime is 1201055171. The reversal of 1201055165 is 5615501021.

1201055165 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1201055165 - 2¹⁴ = 1201038781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76694 + ... + 91016.

It is an arithmetic number, because the mean of its divisors is an integer number (93163296).

Almost surely, 2^1201055165 is an apocalyptic number.

It is an amenable number.

1201055165 is a deficient number, since it is larger than the sum of its proper divisors (289557571).

1201055165 is a wasteful number, since it uses less digits than its factorization.

1201055165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14900.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1201055165 is about 34656.2427998189. The cubic root of 1201055165 is about 1062.9699446384.

Adding to 1201055165 its reverse (5615501021), we get a palindrome (6816556186).

The spelling of 1201055165 in words is "one billion, two hundred one million, fifty-five thousand, one hundred sixty-five".