120735545 has 32 divisors (see below), whose sum is σ = 172032000. Its totient is φ = 79600320.

The previous prime is 120735521. The next prime is 120735553. The reversal of 120735545 is 545537021.

It is not a de Polignac number, because 120735545 - 2⁸ = 120735289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241706 + ... + 242204.

It is an arithmetic number, because the mean of its divisors is an integer number (5376000).

Almost surely, 2^120735545 is an apocalyptic number.

It is an amenable number.

120735545 is a deficient number, since it is larger than the sum of its proper divisors (51296455).

120735545 is a wasteful number, since it uses less digits than its factorization.

120735545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 120735545 is about 10987.9727429585. The cubic root of 120735545 is about 494.2481460773.

The spelling of 120735545 in words is "one hundred twenty million, seven hundred thirty-five thousand, five hundred forty-five".