27121112 has 8 divisors (see below), whose sum is σ = 50852100. Its totient is φ = 13560552.

The previous prime is 27121099. The next prime is 27121123. The reversal of 27121112 is 21112172.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×27121112² = 1471109432233088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695062 + ... + 1695077.

Almost surely, 2^27121112 is an apocalyptic number.

It is an amenable number.

27121112 is a deficient number, since it is larger than the sum of its proper divisors (23730988).

27121112 is a wasteful number, since it uses less digits than its factorization.

27121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390145 (or 3390141 counting only the distinct ones).

The product of its digits is 56, while the sum is 17.

The square root of 27121112 is about 5207.7933906790. The cubic root of 27121112 is about 300.4478939336.

Adding to 27121112 its reverse (21112172), we get a palindrome (48233284).

The spelling of 27121112 in words is "twenty-seven million, one hundred twenty-one thousand, one hundred twelve".