120603530 has 16 divisors (see below), whose sum is σ = 217312200. Its totient is φ = 48191232.

The previous prime is 120603523. The next prime is 120603569. The reversal of 120603530 is 35306021.

It can be written as a sum of positive squares in 4 ways, for example, as 116920969 + 3682561 = 10813^2 + 1919^2 .

It is a super-2 number, since 2×120603530² = 29090422896921800, which contains 22 as substring.

It is an unprimeable number.

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, 4742 + ... + 16238.

Almost surely, 2^120603530 is an apocalyptic number.

120603530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120603530 is a deficient number, since it is larger than the sum of its proper divisors (96708670).

120603530 is a wasteful number, since it uses less digits than its factorization.

120603530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 120603530 is about 10981.9638498768. The cubic root of 120603530 is about 494.0679396470.

Adding to 120603530 its reverse (35306021), we get a palindrome (155909551).

The spelling of 120603530 in words is "one hundred twenty million, six hundred three thousand, five hundred thirty".