120771215 has 4 divisors (see below), whose sum is σ = 144925464. Its totient is φ = 96616968.

The previous prime is 120771197. The next prime is 120771251. The reversal of 120771215 is 512177021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 512177021 = 631 ⋅811691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120771215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12077117 + ... + 12077126.

It is an arithmetic number, because the mean of its divisors is an integer number (36231366).

Almost surely, 2^120771215 is an apocalyptic number.

120771215 is a deficient number, since it is larger than the sum of its proper divisors (24154249).

120771215 is an equidigital number, since it uses as much as digits as its factorization.

120771215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24154248.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 120771215 is about 10989.5957614464. The cubic root of 120771215 is about 494.2968146929.

The spelling of 120771215 in words is "one hundred twenty million, seven hundred seventy-one thousand, two hundred fifteen".