120450907 has 4 divisors (see below), whose sum is σ = 123388776. Its totient is φ = 117513040.

The previous prime is 120450901. The next prime is 120450917. The reversal of 120450907 is 709054021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709054021 = 13 ⋅54542617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120450907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120450901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468873 + ... + 1468954.

It is an arithmetic number, because the mean of its divisors is an integer number (30847194).

Almost surely, 2^120450907 is an apocalyptic number.

120450907 is a deficient number, since it is larger than the sum of its proper divisors (2937869).

120450907 is an equidigital number, since it uses as much as digits as its factorization.

120450907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937868.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 120450907 is about 10975.0128473729. The cubic root of 120450907 is about 493.8594383917.

The spelling of 120450907 in words is "one hundred twenty million, four hundred fifty thousand, nine hundred seven".