119449728 has 160 divisors (see below), whose sum is σ = 365446620. Its totient is φ = 38707200.

The previous prime is 119449717. The next prime is 119449747. The reversal of 119449728 is 827944911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115089984 + 4359744 = 10728^2 + 2088^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 424948 + ... + 425228.

Almost surely, 2^119449728 is an apocalyptic number.

119449728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 119449728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182723310).

119449728 is an abundant number, since it is smaller than the sum of its proper divisors (245996892).

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

119449728 is an equidigital number, since it uses as much as digits as its factorization.

119449728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 327 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 119449728 is about 10929.3059248975. The cubic root of 119449728 is about 492.4873220301.

The spelling of 119449728 in words is "one hundred nineteen million, four hundred forty-nine thousand, seven hundred twenty-eight".