120512545 has 16 divisors (see below), whose sum is σ = 150312960. Its totient is φ = 92643264.

The previous prime is 120512521. The next prime is 120512551. The reversal of 120512545 is 545215021.

It is a cyclic number.

It is not a de Polignac number, because 120512545 - 2⁷ = 120512417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30472 + ... + 34198.

It is an arithmetic number, because the mean of its divisors is an integer number (9394560).

Almost surely, 2^120512545 is an apocalyptic number.

It is an amenable number.

120512545 is a deficient number, since it is larger than the sum of its proper divisors (29800415).

120512545 is a wasteful number, since it uses less digits than its factorization.

120512545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 120512545 is about 10977.8205942710. The cubic root of 120512545 is about 493.9436644549.

Adding to 120512545 its reverse (545215021), we get a palindrome (665727566).

The spelling of 120512545 in words is "one hundred twenty million, five hundred twelve thousand, five hundred forty-five".