27465121 has 8 divisors (see below), whose sum is σ = 28298088. Its totient is φ = 26640000.

The previous prime is 27465103. The next prime is 27465161. The reversal of 27465121 is 12156472.

It can be written as a sum of positive squares in 4 ways, for example, as 2073600 + 25391521 = 1440^2 + 5039^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 27465121 - 2¹³ = 27456929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27465121.

It is not an unprimeable number, because it can be changed into a prime (27465161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5571 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (3537261).

Almost surely, 2^27465121 is an apocalyptic number.

It is an amenable number.

27465121 is a deficient number, since it is larger than the sum of its proper divisors (832967).

27465121 is a wasteful number, since it uses less digits than its factorization.

27465121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its digits is 3360, while the sum is 28.

The square root of 27465121 is about 5240.7176035348. The cubic root of 27465121 is about 301.7128719894.

The spelling of 27465121 in words is "twenty-seven million, four hundred sixty-five thousand, one hundred twenty-one".