1190445120 has 224 divisors, whose sum is σ = 4225991040. Its totient is φ = 315463680.

The previous prime is 1190445119. The next prime is 1190445131. The reversal of 1190445120 is 215440911.

1190445120 is a `hidden beast` number, since 1 + 190 + 4 + 451 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 1822714 + ... + 1823366.

Almost surely, 2^1190445120 is an apocalyptic number.

1190445120 is a gapful number since it is divisible by the number (10) 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 1190445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112995520).

1190445120 is an abundant number, since it is smaller than the sum of its proper divisors (3035545920).

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

1190445120 is a wasteful number, since it uses less digits than its factorization.

1190445120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1190445120 is about 34502.8277102037. The cubic root of 1190445120 is about 1059.8306125442.

The spelling of 1190445120 in words is "one billion, one hundred ninety million, four hundred forty-five thousand, one hundred twenty".