120215242 has 16 divisors (see below), whose sum is σ = 216930240. Its totient is φ = 48809088.

The previous prime is 120215213. The next prime is 120215243. The reversal of 120215242 is 242512021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (120215243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225703 + ... + 226234.

It is an arithmetic number, because the mean of its divisors is an integer number (13558140).

Almost surely, 2^120215242 is an apocalyptic number.

120215242 is a deficient number, since it is larger than the sum of its proper divisors (96714998).

120215242 is a wasteful number, since it uses less digits than its factorization.

120215242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451965.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 120215242 is about 10964.2711568075. The cubic root of 120215242 is about 493.5371456180.

Adding to 120215242 its reverse (242512021), we get a palindrome (362727263).

The spelling of 120215242 in words is "one hundred twenty million, two hundred fifteen thousand, two hundred forty-two".