120492217 has 2 divisors, whose sum is σ = 120492218. Its totient is φ = 120492216.

The previous prime is 120492199. The next prime is 120492233. The reversal of 120492217 is 712294021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94848121 + 25644096 = 9739^2 + 5064^2 .

It is a cyclic number.

It is not a de Polignac number, because 120492217 - 2²³ = 112103609 is a prime.

It is not a weakly prime, because it can be changed into another prime (120492287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60246108 + 60246109.

It is an arithmetic number, because the mean of its divisors is an integer number (60246109).

Almost surely, 2^120492217 is an apocalyptic number.

It is an amenable number.

120492217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120492217 is an equidigital number, since it uses as much as digits as its factorization.

120492217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 120492217 is about 10976.8946883898. The cubic root of 120492217 is about 493.9158901641.

The spelling of 120492217 in words is "one hundred twenty million, four hundred ninety-two thousand, two hundred seventeen".