120986771 has 2 divisors, whose sum is σ = 120986772. Its totient is φ = 120986770.

The previous prime is 120986743. The next prime is 120986779. The reversal of 120986771 is 177689021.

It is a strong prime.

It is an emirp because it is prime and its reverse (177689021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120986771 - 2¹⁴ = 120970387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120986779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60493385 + 60493386.

It is an arithmetic number, because the mean of its divisors is an integer number (60493386).

Almost surely, 2^120986771 is an apocalyptic number.

120986771 is a deficient number, since it is larger than the sum of its proper divisors (1).

120986771 is an equidigital number, since it uses as much as digits as its factorization.

120986771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 120986771 is about 10999.3986653817. The cubic root of 120986771 is about 494.5907183812.

The spelling of 120986771 in words is "one hundred twenty million, nine hundred eighty-six thousand, seven hundred seventy-one".