120615197 has 4 divisors (see below), whose sum is σ = 125859360. Its totient is φ = 115371036.

The previous prime is 120615193. The next prime is 120615223. The reversal of 120615197 is 791516021.

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: 791516021 = 613 ⋅1291217.

It is not a de Polignac number, because 120615197 - 2² = 120615193 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 (120615191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2622047 + ... + 2622092.

It is an arithmetic number, because the mean of its divisors is an integer number (31464840).

Almost surely, 2^120615197 is an apocalyptic number.

It is an amenable number.

120615197 is a deficient number, since it is larger than the sum of its proper divisors (5244163).

120615197 is an equidigital number, since it uses as much as digits as its factorization.

120615197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244162.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 120615197 is about 10982.4950261769. The cubic root of 120615197 is about 494.0838709241.

The spelling of 120615197 in words is "one hundred twenty million, six hundred fifteen thousand, one hundred ninety-seven".