1152378 has 24 divisors (see below), whose sum is σ = 2533908. Its totient is φ = 378432.

The previous prime is 1152367. The next prime is 1152383. The reversal of 1152378 is 8732511.

It can be written as a sum of positive squares in 2 ways, for example, as 1096209 + 56169 = 1047^2 + 237^2 .

It is an Ulam number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 876 + ... + 1752.

2^1152378 is an apocalyptic number.

1152378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1152378 is an abundant number, since it is smaller than the sum of its proper divisors (1381530).

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

1152378 is a wasteful number, since it uses less digits than its factorization.

1152378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 955 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1152378 is about 1073.4887051106. The cubic root of 1152378 is about 104.8411202581.

Adding to 1152378 its reverse (8732511), we get a palindrome (9884889).

The spelling of 1152378 in words is "one million, one hundred fifty-two thousand, three hundred seventy-eight".