1152380 has 24 divisors (see below), whose sum is σ = 2442048. Its totient is φ = 456768.

The previous prime is 1152367. The next prime is 1152383. The reversal of 1152380 is 832511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2957 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (101752).

2^1152380 is an apocalyptic number.

1152380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152380 is an abundant number, since it is smaller than the sum of its proper divisors (1289668).

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

1152380 is a wasteful number, since it uses less digits than its factorization.

1152380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1152380 is about 1073.4896366524. The cubic root of 1152380 is about 104.8411809101.

Adding to 1152380 its reverse (832511), we get a palindrome (1984891).

The spelling of 1152380 in words is "one million, one hundred fifty-two thousand, three hundred eighty".