1141854 has 32 divisors (see below), whose sum is σ = 2697216. Its totient is φ = 315360.

The previous prime is 1141853. The next prime is 1141867. The reversal of 1141854 is 4581411.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141853) 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 15 ways as a sum of consecutive naturals, for example, 864 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (84288).

2^1141854 is an apocalyptic number.

1141854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348608).

1141854 is an abundant number, since it is smaller than the sum of its proper divisors (1555362).

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

1141854 is a wasteful number, since it uses less digits than its factorization.

1141854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 640, while the sum is 24.

The square root of 1141854 is about 1068.5756875393. The cubic root of 1141854 is about 104.5209927072.

The spelling of 1141854 in words is "one million, one hundred forty-one thousand, eight hundred fifty-four".