120144135 has 8 divisors (see below), whose sum is σ = 192230640. Its totient is φ = 64076864.

The previous prime is 120144131. The next prime is 120144139. The reversal of 120144135 is 531441021.

It is an interprime number because it is at equal distance from previous prime (120144131) and next prime (120144139).

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 120144135 - 2² = 120144131 is a prime.

It is a super-2 number, since 2×120144135² = 28869226349796450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4004790 + ... + 4004819.

It is an arithmetic number, because the mean of its divisors is an integer number (24028830).

Almost surely, 2^120144135 is an apocalyptic number.

120144135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120144135 is a deficient number, since it is larger than the sum of its proper divisors (72086505).

120144135 is an equidigital number, since it uses as much as digits as its factorization.

120144135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8009617.

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

The square root of 120144135 is about 10961.0280083576. The cubic root of 120144135 is about 493.4398177838.

Adding to 120144135 its reverse (531441021), we get a palindrome (651585156).

The spelling of 120144135 in words is "one hundred twenty million, one hundred forty-four thousand, one hundred thirty-five".