27120701 has 2 divisors, whose sum is σ = 27120702. Its totient is φ = 27120700.

The previous prime is 27120689. The next prime is 27120719. The reversal of 27120701 is 10702172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 1819801 = 5030^2 + 1349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27120701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27120761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13560350 + 13560351.

It is an arithmetic number, because the mean of its divisors is an integer number (13560351).

Almost surely, 2^27120701 is an apocalyptic number.

It is an amenable number.

27120701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27120701 is an equidigital number, since it uses as much as digits as its factorization.

27120701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 27120701 is about 5207.7539304387. The cubic root of 27120701 is about 300.4463762388.

Adding to 27120701 its reverse (10702172), we get a palindrome (37822873).

The spelling of 27120701 in words is "twenty-seven million, one hundred twenty thousand, seven hundred one".