120045547 has 8 divisors (see below), whose sum is σ = 125079552. Its totient is φ = 115084200.

The previous prime is 120045539. The next prime is 120045557. The reversal of 120045547 is 745540021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120045547 - 2³ = 120045539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120045557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14779 + ... + 21412.

It is an arithmetic number, because the mean of its divisors is an integer number (15634944).

Almost surely, 2^120045547 is an apocalyptic number.

120045547 is a deficient number, since it is larger than the sum of its proper divisors (5034005).

120045547 is a wasteful number, since it uses less digits than its factorization.

120045547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36329.

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

The square root of 120045547 is about 10956.5298794828. The cubic root of 120045547 is about 493.3048117286.

Adding to 120045547 its reverse (745540021), we get a palindrome (865585568).

The spelling of 120045547 in words is "one hundred twenty million, forty-five thousand, five hundred forty-seven".