1881134 has 8 divisors (see below), whose sum is σ = 2831088. Its totient is φ = 937440.

The previous prime is 1881127. The next prime is 1881151. The reversal of 1881134 is 4311881.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 722 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (353886).

2^1881134 is an apocalyptic number.

1881134 is a deficient number, since it is larger than the sum of its proper divisors (949954).

1881134 is a wasteful number, since it uses less digits than its factorization.

1881134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130.

The product of its digits is 768, while the sum is 26.

The square root of 1881134 is about 1371.5443849909. The cubic root of 1881134 is about 123.4449261889. Note that the first 3 decimals are identical.

The spelling of 1881134 in words is "one million, eight hundred eighty-one thousand, one hundred thirty-four".