1154842 has 8 divisors (see below), whose sum is σ = 1865556. Its totient is φ = 532992.

The previous prime is 1154821. The next prime is 1154849. The reversal of 1154842 is 2484511.

It can be written as a sum of positive squares in 2 ways, for example, as 885481 + 269361 = 941^2 + 519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1154849) 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 3 ways as a sum of consecutive naturals, for example, 22183 + ... + 22234.

2^1154842 is an apocalyptic number.

1154842 is a deficient number, since it is larger than the sum of its proper divisors (710714).

1154842 is a wasteful number, since it uses less digits than its factorization.

1154842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44432.

The product of its digits is 1280, while the sum is 25.

The square root of 1154842 is about 1074.6357522435. The cubic root of 1154842 is about 104.9157903810.

The spelling of 1154842 in words is "one million, one hundred fifty-four thousand, eight hundred forty-two".