1150720 has 72 divisors (see below), whose sum is σ = 2943360. Its totient is φ = 430080.

The previous prime is 1150717. The next prime is 1150729. The reversal of 1150720 is 270511.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1150694 and 1150703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37105 + ... + 37135.

It is an arithmetic number, because the mean of its divisors is an integer number (40880).

2^1150720 is an apocalyptic number.

1150720 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 1150720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471680).

1150720 is an abundant number, since it is smaller than the sum of its proper divisors (1792640).

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

1150720 is an equidigital number, since it uses as much as digits as its factorization.

1150720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1150720 is about 1072.7161786792. The cubic root of 1150720 is about 104.7908155811.

The spelling of 1150720 in words is "one million, one hundred fifty thousand, seven hundred twenty".