120545000 has 40 divisors (see below), whose sum is σ = 282448650. Its totient is φ = 48216000.

The previous prime is 120544999. The next prime is 120545017. The reversal of 120545000 is 545021.

It can be written as a sum of positive squares in 5 ways, for example, as 3602404 + 116942596 = 1898^2 + 10814^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 120545000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7055 + ... + 17054.

Almost surely, 2^120545000 is an apocalyptic number.

120545000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120545000 is an abundant number, since it is smaller than the sum of its proper divisors (161903650).

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

120545000 is an equidigital number, since it uses as much as digits as its factorization.

120545000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24135 (or 24116 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 120545000 is about 10979.2987025584. The cubic root of 120545000 is about 493.9880014788.

The spelling of 120545000 in words is "one hundred twenty million, five hundred forty-five thousand".