27412121 has 4 divisors (see below), whose sum is σ = 29904144. Its totient is φ = 24920100.

The previous prime is 27412097. The next prime is 27412123. The reversal of 27412121 is 12121472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27412121 - 2¹⁸ = 27149977 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27412093 and 27412102.

It is not an unprimeable number, because it can be changed into a prime (27412123) 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 3 ways as a sum of consecutive naturals, for example, 1245995 + ... + 1246016.

It is an arithmetic number, because the mean of its divisors is an integer number (7476036).

Almost surely, 2^27412121 is an apocalyptic number.

It is an amenable number.

27412121 is a deficient number, since it is larger than the sum of its proper divisors (2492023).

27412121 is a wasteful number, since it uses less digits than its factorization.

27412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492022.

The product of its digits is 224, while the sum is 20.

The square root of 27412121 is about 5235.6586023155. The cubic root of 27412121 is about 301.5186732070.

Adding to 27412121 its reverse (12121472), we get a palindrome (39533593).

The spelling of 27412121 in words is "twenty-seven million, four hundred twelve thousand, one hundred twenty-one".