120862215 has 12 divisors (see below), whose sum is σ = 209494584. Its totient is φ = 64459824.

The previous prime is 120862213. The next prime is 120862237. The reversal of 120862215 is 512268021.

It is a happy number.

120862215 is a `hidden beast` number, since 1 + 20 + 8 + 622 + 15 = 666.

It is not a de Polignac number, because 120862215 - 2¹ = 120862213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120862213) 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 11 ways as a sum of consecutive naturals, for example, 1342869 + ... + 1342958.

It is an arithmetic number, because the mean of its divisors is an integer number (17457882).

Almost surely, 2^120862215 is an apocalyptic number.

120862215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120862215 is a deficient number, since it is larger than the sum of its proper divisors (88632369).

120862215 is a wasteful number, since it uses less digits than its factorization.

120862215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685838 (or 2685835 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 120862215 is about 10993.7352615023. The cubic root of 120862215 is about 494.4209328924.

The spelling of 120862215 in words is "one hundred twenty million, eight hundred sixty-two thousand, two hundred fifteen".