120153530 has 64 divisors (see below), whose sum is σ = 264625920. Its totient is φ = 38361600.

The previous prime is 120153487. The next prime is 120153533. The reversal of 120153530 is 35351021.

It is not an unprimeable number, because it can be changed into a prime (120153533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80390 + ... + 81870.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780).

Almost surely, 2^120153530 is an apocalyptic number.

120153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120153530 is an abundant number, since it is smaller than the sum of its proper divisors (144472390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120153530 is a wasteful number, since it uses less digits than its factorization.

120153530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

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

The square root of 120153530 is about 10961.4565637966. The cubic root of 120153530 is about 493.4526794083.

The spelling of 120153530 in words is "one hundred twenty million, one hundred fifty-three thousand, five hundred thirty".