120135530 has 8 divisors (see below), whose sum is σ = 216243972. Its totient is φ = 48054208.

The previous prime is 120135529. The next prime is 120135539. The reversal of 120135530 is 35531021.

It can be written as a sum of positive squares in 2 ways, for example, as 115068529 + 5067001 = 10727^2 + 2251^2 .

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

It is a super-3 number, since 3×120135530³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120135539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006767 + ... + 6006786.

Almost surely, 2^120135530 is an apocalyptic number.

120135530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120135530 is a deficient number, since it is larger than the sum of its proper divisors (96108442).

120135530 is a wasteful number, since it uses less digits than its factorization.

120135530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013560.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 120135530 is about 10960.6354742779. The cubic root of 120135530 is about 493.4280370700.

Adding to 120135530 its reverse (35531021), we get a palindrome (155666551).

The spelling of 120135530 in words is "one hundred twenty million, one hundred thirty-five thousand, five hundred thirty".