120190217 has 4 divisors (see below), whose sum is σ = 137360256. Its totient is φ = 103020180.

The previous prime is 120190207. The next prime is 120190223. The reversal of 120190217 is 712091021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712091021 = 71 ⋅10029451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120190217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120190192 and 120190201.

It is not an unprimeable number, because it can be changed into a prime (120190207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8585009 + ... + 8585022.

It is an arithmetic number, because the mean of its divisors is an integer number (34340064).

Almost surely, 2^120190217 is an apocalyptic number.

It is an amenable number.

120190217 is a deficient number, since it is larger than the sum of its proper divisors (17170039).

120190217 is an equidigital number, since it uses as much as digits as its factorization.

120190217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17170038.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 120190217 is about 10963.1298906836. The cubic root of 120190217 is about 493.5028969820.

The spelling of 120190217 in words is "one hundred twenty million, one hundred ninety thousand, two hundred seventeen".