120045450 has 48 divisors (see below), whose sum is σ = 340246080. Its totient is φ = 27438720.

The previous prime is 120045433. The next prime is 120045461. The reversal of 120045450 is 54540021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56115 + ... + 58214.

It is an arithmetic number, because the mean of its divisors is an integer number (7088460).

Almost surely, 2^120045450 is an apocalyptic number.

120045450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120045450 is an abundant number, since it is smaller than the sum of its proper divisors (220200630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120045450 is a wasteful number, since it uses less digits than its factorization.

120045450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114351 (or 114346 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 120045450 is about 10956.5254528979. The cubic root of 120045450 is about 493.3046788608.

Adding to 120045450 its reverse (54540021), we get a palindrome (174585471).

The spelling of 120045450 in words is "one hundred twenty million, forty-five thousand, four hundred fifty".