36126561 has 8 divisors (see below), whose sum is σ = 48288160. Its totient is φ = 24024672.

The previous prime is 36126557. The next prime is 36126569. The reversal of 36126561 is 16562163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36126561 - 2² = 36126557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36126569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13495 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (6036020).

Almost surely, 2^36126561 is an apocalyptic number.

It is an amenable number.

36126561 is a deficient number, since it is larger than the sum of its proper divisors (12161599).

36126561 is a wasteful number, since it uses less digits than its factorization.

36126561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29855.

The product of its digits is 6480, while the sum is 30.

The square root of 36126561 is about 6010.5374967635. The cubic root of 36126561 is about 330.5792123465.

The spelling of 36126561 in words is "thirty-six million, one hundred twenty-six thousand, five hundred sixty-one".