27101012 has 6 divisors (see below), whose sum is σ = 47426778. Its totient is φ = 13550504.

The previous prime is 27100981. The next prime is 27101017. The reversal of 27101012 is 21010172.

It can be written as a sum of positive squares in only one way, i.e., 18783556 + 8317456 = 4334^2 + 2884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387623 + ... + 3387630.

It is an arithmetic number, because the mean of its divisors is an integer number (7904463).

Almost surely, 2^27101012 is an apocalyptic number.

It is an amenable number.

27101012 is a deficient number, since it is larger than the sum of its proper divisors (20325766).

27101012 is a wasteful number, since it uses less digits than its factorization.

27101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775257 (or 6775255 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 27101012 is about 5205.8632329327. The cubic root of 27101012 is about 300.3736529369.

Adding to 27101012 its reverse (21010172), we get a palindrome (48111184).

The spelling of 27101012 in words is "twenty-seven million, one hundred one thousand, twelve".