27120998 has 4 divisors (see below), whose sum is σ = 40681500. Its totient is φ = 13560498.

The previous prime is 27120983. The next prime is 27121009. The reversal of 27120998 is 89902172.

It is a semiprime because it is the product of two primes.

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, 6780248 + ... + 6780251.

It is an arithmetic number, because the mean of its divisors is an integer number (10170375).

Almost surely, 2^27120998 is an apocalyptic number.

27120998 is a deficient number, since it is larger than the sum of its proper divisors (13560502).

27120998 is a wasteful number, since it uses less digits than its factorization.

27120998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13560501.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 27120998 is about 5207.7824455328. The cubic root of 27120998 is about 300.4474729687.

The spelling of 27120998 in words is "twenty-seven million, one hundred twenty thousand, nine hundred ninety-eight".