1141878 has 8 divisors (see below), whose sum is σ = 2283768. Its totient is φ = 380624.

The previous prime is 1141871. The next prime is 1141901. The reversal of 1141878 is 8781411.

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

1141878 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141871) 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, 95151 + ... + 95162.

It is an arithmetic number, because the mean of its divisors is an integer number (285471).

2^1141878 is an apocalyptic number.

1141878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1141878 is a wasteful number, since it uses less digits than its factorization.

1141878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190318.

The product of its digits is 1792, while the sum is 30.

The square root of 1141878 is about 1068.5869173820. The cubic root of 1141878 is about 104.5217249918.

The spelling of 1141878 in words is "one million, one hundred forty-one thousand, eight hundred seventy-eight".