1150320 has 40 divisors (see below), whose sum is σ = 3566736. Its totient is φ = 306688.

The previous prime is 1150309. The next prime is 1150349. The reversal of 1150320 is 230511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1150320² = 2646472204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1150296 and 1150305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 2636.

2^1150320 is an apocalyptic number.

1150320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150320 is an abundant number, since it is smaller than the sum of its proper divisors (2416416).

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

1150320 is a wasteful number, since it uses less digits than its factorization.

1150320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809 (or 4803 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1150320 is about 1072.5297198679. The cubic root of 1150320 is about 104.7786721162.

Adding to 1150320 its reverse (230511), we get a palindrome (1380831).

The spelling of 1150320 in words is "one million, one hundred fifty thousand, three hundred twenty".