1152260 has 24 divisors (see below), whose sum is σ = 2562840. Its totient is φ = 433664.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152260 is 622511.

It is an interprime number because it is at equal distance from previous prime (1152233) and next prime (1152287).

It can be written as a sum of positive squares in 4 ways, for example, as 565504 + 586756 = 752^2 + 766^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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, 1355 + ... + 2034.

It is an arithmetic number, because the mean of its divisors is an integer number (106785).

2^1152260 is an apocalyptic number.

1152260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152260 is an abundant number, since it is smaller than the sum of its proper divisors (1410580).

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

1152260 is a wasteful number, since it uses less digits than its factorization.

1152260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1152260 is about 1073.4337427154. The cubic root of 1152260 is about 104.8375416654.

Adding to 1152260 its reverse (622511), we get a palindrome (1774771).

The spelling of 1152260 in words is "one million, one hundred fifty-two thousand, two hundred sixty".