120612405 has 8 divisors (see below), whose sum is σ = 192979872. Its totient is φ = 64326608.

The previous prime is 120612403. The next prime is 120612407. The reversal of 120612405 is 504216021.

It is an interprime number because it is at equal distance from previous prime (120612403) and next prime (120612407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120612405 - 2¹ = 120612403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120612403) 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 7 ways as a sum of consecutive naturals, for example, 4020399 + ... + 4020428.

It is an arithmetic number, because the mean of its divisors is an integer number (24122484).

Almost surely, 2^120612405 is an apocalyptic number.

120612405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120612405 is a deficient number, since it is larger than the sum of its proper divisors (72367467).

120612405 is an equidigital number, since it uses as much as digits as its factorization.

120612405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040835.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120612405 is about 10982.3679140703. The cubic root of 120612405 is about 494.0800585444.

Adding to 120612405 its reverse (504216021), we get a palindrome (624828426).

The spelling of 120612405 in words is "one hundred twenty million, six hundred twelve thousand, four hundred five".