120215671 has 2 divisors, whose sum is σ = 120215672. Its totient is φ = 120215670.

The previous prime is 120215633. The next prime is 120215681. The reversal of 120215671 is 176512021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120215671 - 2¹¹ = 120213623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120215681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60107835 + 60107836.

It is an arithmetic number, because the mean of its divisors is an integer number (60107836).

Almost surely, 2^120215671 is an apocalyptic number.

120215671 is a deficient number, since it is larger than the sum of its proper divisors (1).

120215671 is an equidigital number, since it uses as much as digits as its factorization.

120215671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 120215671 is about 10964.2907203339. The cubic root of 120215671 is about 493.5377326960.

Adding to 120215671 its reverse (176512021), we get a palindrome (296727692).

The spelling of 120215671 in words is "one hundred twenty million, two hundred fifteen thousand, six hundred seventy-one".