27121066 has 16 divisors (see below), whose sum is σ = 46650240. Its totient is φ = 11584080.

The previous prime is 27121057. The next prime is 27121067. The reversal of 27121066 is 66012172.

It is a self number, because there is not a number n which added to its sum of digits gives 27121066.

It is not an unprimeable number, because it can be changed into a prime (27121067) 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, 1240 + ... + 7468.

It is an arithmetic number, because the mean of its divisors is an integer number (2915640).

Almost surely, 2^27121066 is an apocalyptic number.

27121066 is a deficient number, since it is larger than the sum of its proper divisors (19529174).

27121066 is a wasteful number, since it uses less digits than its factorization.

27121066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 27121066 is about 5207.7889742193. The cubic root of 27121066 is about 300.4477240707.

The spelling of 27121066 in words is "twenty-seven million, one hundred twenty-one thousand, sixty-six".