120000135 has 8 divisors (see below), whose sum is σ = 192000240. Its totient is φ = 64000064.

The previous prime is 120000121. The next prime is 120000137. The reversal of 120000135 is 531000021.

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 120000135 - 2⁵ = 120000103 is a prime.

120000135 is a modest number, since divided by 135 gives 120 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 120000135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000137) 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, 3999990 + ... + 4000019.

It is an arithmetic number, because the mean of its divisors is an integer number (24000030).

Almost surely, 2^120000135 is an apocalyptic number.

120000135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120000135 is a deficient number, since it is larger than the sum of its proper divisors (72000105).

120000135 is an equidigital number, since it uses as much as digits as its factorization.

120000135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000017.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 120000135 is about 10954.4573119804. The cubic root of 120000135 is about 493.2425998319.

Adding to 120000135 its reverse (531000021), we get a palindrome (651000156).

The spelling of 120000135 in words is "one hundred twenty million, one hundred thirty-five", and thus it is an aban number.