120279450 has 48 divisors (see below), whose sum is σ = 301918176. Its totient is φ = 31684800.

The previous prime is 120279433. The next prime is 120279457. The reversal of 120279450 is 54972021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (120279457) 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, 7620 + ... + 17280.

It is an arithmetic number, because the mean of its divisors is an integer number (6289962).

Almost surely, 2^120279450 is an apocalyptic number.

120279450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120279450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150959088).

120279450 is an abundant number, since it is smaller than the sum of its proper divisors (181638726).

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

120279450 is a wasteful number, since it uses less digits than its factorization.

120279450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759 (or 9754 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 120279450 is about 10967.1988219417. The cubic root of 120279450 is about 493.6249974644.

The spelling of 120279450 in words is "one hundred twenty million, two hundred seventy-nine thousand, four hundred fifty".