120480945 has 24 divisors (see below), whose sum is σ = 208742976. Its totient is φ = 59312448.

The previous prime is 120480907. The next prime is 120480947. The reversal of 120480945 is 549084021.

It is not a de Polignac number, because 120480945 - 2⁷ = 120480817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120480947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21229 + ... + 26298.

It is an arithmetic number, because the mean of its divisors is an integer number (8697624).

Almost surely, 2^120480945 is an apocalyptic number.

120480945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120480945 is a deficient number, since it is larger than the sum of its proper divisors (88262031).

120480945 is a wasteful number, since it uses less digits than its factorization.

120480945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47561 (or 47548 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 120480945 is about 10976.3812342684. The cubic root of 120480945 is about 493.9004878040.

The spelling of 120480945 in words is "one hundred twenty million, four hundred eighty thousand, nine hundred forty-five".