120242205 has 16 divisors (see below), whose sum is σ = 213764160. Its totient is φ = 64129104.

The previous prime is 120242201. The next prime is 120242209. The reversal of 120242205 is 502242021.

It is an interprime number because it is at equal distance from previous prime (120242201) and next prime (120242209).

It is not a de Polignac number, because 120242205 - 2² = 120242201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120242201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445207 + ... + 445476.

It is an arithmetic number, because the mean of its divisors is an integer number (13360260).

Almost surely, 2^120242205 is an apocalyptic number.

120242205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120242205 is a deficient number, since it is larger than the sum of its proper divisors (93521955).

120242205 is an equidigital number, since it uses as much as digits as its factorization.

120242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890697 (or 890691 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 120242205 is about 10965.5006725639. The cubic root of 120242205 is about 493.5740412370.

Adding to 120242205 its reverse (502242021), we get a palindrome (622484226).

The spelling of 120242205 in words is "one hundred twenty million, two hundred forty-two thousand, two hundred five".