1881148 has 12 divisors (see below), whose sum is σ = 3334240. Its totient is φ = 928512.

The previous prime is 1881127. The next prime is 1881151. The reversal of 1881148 is 8411881.

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, 2661 + ... + 3292.

2^1881148 is an apocalyptic number.

It is an amenable number.

1881148 is a deficient number, since it is larger than the sum of its proper divisors (1453092).

1881148 is a wasteful number, since it uses less digits than its factorization.

1881148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036 (or 6034 counting only the distinct ones).

The product of its digits is 2048, while the sum is 31.

The square root of 1881148 is about 1371.5494887170. The cubic root of 1881148 is about 123.4452324270.

The spelling of 1881148 in words is "one million, eight hundred eighty-one thousand, one hundred forty-eight".