120074545 has 4 divisors (see below), whose sum is σ = 144089460. Its totient is φ = 96059632.

The previous prime is 120074543. The next prime is 120074551. The reversal of 120074545 is 545470021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29463184 + 90611361 = 5428^2 + 9519^2 .

It is a cyclic number.

It is not a de Polignac number, because 120074545 - 2¹ = 120074543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120074543) 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 3 ways as a sum of consecutive naturals, for example, 12007450 + ... + 12007459.

It is an arithmetic number, because the mean of its divisors is an integer number (36022365).

Almost surely, 2^120074545 is an apocalyptic number.

It is an amenable number.

120074545 is a deficient number, since it is larger than the sum of its proper divisors (24014915).

120074545 is an equidigital number, since it uses as much as digits as its factorization.

120074545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24014914.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 120074545 is about 10957.8531200231. The cubic root of 120074545 is about 493.3445291571.

The spelling of 120074545 in words is "one hundred twenty million, seventy-four thousand, five hundred forty-five".