120213197 has 4 divisors (see below), whose sum is σ = 129460380. Its totient is φ = 110966016.

The previous prime is 120213179. The next prime is 120213211. The reversal of 120213197 is 791312021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791312021 = 421 ⋅1879601.

It can be written as a sum of positive squares in 2 ways, for example, as 40271716 + 79941481 = 6346^2 + 8941^2 .

It is a cyclic number.

It is not a de Polignac number, because 120213197 - 2²⁰ = 119164621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213997) 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, 4623572 + ... + 4623597.

It is an arithmetic number, because the mean of its divisors is an integer number (32365095).

Almost surely, 2^120213197 is an apocalyptic number.

It is an amenable number.

120213197 is a deficient number, since it is larger than the sum of its proper divisors (9247183).

120213197 is an equidigital number, since it uses as much as digits as its factorization.

120213197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247182.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 120213197 is about 10964.1778989580. The cubic root of 120213197 is about 493.5343470567.

The spelling of 120213197 in words is "one hundred twenty million, two hundred thirteen thousand, one hundred ninety-seven".