27122439 has 8 divisors (see below), whose sum is σ = 36521712. Its totient is φ = 17902400.

The previous prime is 27122419. The next prime is 27122449. The reversal of 27122439 is 93422172.

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 27122439 - 2⁷ = 27122311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27122419) 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, 44454 + ... + 45059.

It is an arithmetic number, because the mean of its divisors is an integer number (4565214).

Almost surely, 2^27122439 is an apocalyptic number.

27122439 is a deficient number, since it is larger than the sum of its proper divisors (9399273).

27122439 is a wasteful number, since it uses less digits than its factorization.

27122439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89617.

The product of its digits is 6048, while the sum is 30.

The square root of 27122439 is about 5207.9207943286. The cubic root of 27122439 is about 300.4527940259.

It can be divided in two parts, 2712 and 2439, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 27122439 in words is "twenty-seven million, one hundred twenty-two thousand, four hundred thirty-nine".