36128801 has 4 divisors (see below), whose sum is σ = 36337812. Its totient is φ = 35919792.

The previous prime is 36128797. The next prime is 36128819. The reversal of 36128801 is 10882163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10882163 = 29 ⋅375247.

It can be written as a sum of positive squares in 2 ways, for example, as 16192576 + 19936225 = 4024^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 36128801 - 2² = 36128797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36128501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104246 + ... + 104591.

It is an arithmetic number, because the mean of its divisors is an integer number (9084453).

Almost surely, 2^36128801 is an apocalyptic number.

It is an amenable number.

36128801 is a deficient number, since it is larger than the sum of its proper divisors (209011).

36128801 is a wasteful number, since it uses less digits than its factorization.

36128801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209010.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 36128801 is about 6010.7238332833. The cubic root of 36128801 is about 330.5860446430.

The spelling of 36128801 in words is "thirty-six million, one hundred twenty-eight thousand, eight hundred one".