1190790720 has 280 divisors, whose sum is σ = 4841711424. Its totient is φ = 272139264.

The previous prime is 1190790677. The next prime is 1190790737. The reversal of 1190790720 is 270970911.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 178159 + ... + 184721.

Almost surely, 2^1190790720 is an apocalyptic number.

1190790720 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 1190790720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2420855712).

1190790720 is an abundant number, since it is smaller than the sum of its proper divisors (3650920704).

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

1190790720 is an equidigital number, since it uses as much as digits as its factorization.

1190790720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 1190790720 is about 34507.8356319257. The cubic root of 1190790720 is about 1059.9331629864.

The spelling of 1190790720 in words is "one billion, one hundred ninety million, seven hundred ninety thousand, seven hundred twenty".