1881126 has 24 divisors (see below), whose sum is σ = 4389840. Its totient is φ = 578736.

The previous prime is 1881119. The next prime is 1881127. The reversal of 1881126 is 6211881.

It is a self number, because there is not a number n which added to its sum of digits gives 1881126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3786 + ... + 4253.

It is an arithmetic number, because the mean of its divisors is an integer number (182910).

2^1881126 is an apocalyptic number.

1881126 is an abundant number, since it is smaller than the sum of its proper divisors (2508714).

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

1881126 is a wasteful number, since it uses less digits than its factorization.

1881126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060 (or 8057 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 1881126 is about 1371.5414685674. The cubic root of 1881126 is about 123.4447511950. Note that the first 3 decimals are identical.

The spelling of 1881126 in words is "one million, eight hundred eighty-one thousand, one hundred twenty-six".