120206971 has 2 divisors, whose sum is σ = 120206972. Its totient is φ = 120206970.

The previous prime is 120206927. The next prime is 120207011. The reversal of 120206971 is 179602021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120206971 - 2¹⁵ = 120174203 is a prime.

It is not a weakly prime, because it can be changed into another prime (120206071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60103485 + 60103486.

It is an arithmetic number, because the mean of its divisors is an integer number (60103486).

Almost surely, 2^120206971 is an apocalyptic number.

120206971 is a deficient number, since it is larger than the sum of its proper divisors (1).

120206971 is an equidigital number, since it uses as much as digits as its factorization.

120206971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 120206971 is about 10963.8939706657. The cubic root of 120206971 is about 493.5258266447.

Adding to 120206971 its reverse (179602021), we get a palindrome (299808992).

The spelling of 120206971 in words is "one hundred twenty million, two hundred six thousand, nine hundred seventy-one".