1881152 has 112 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 663552.

The previous prime is 1881151. The next prime is 1881157. The reversal of 1881152 is 2511881.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1881151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98999 + ... + 99017.

It is an arithmetic number, because the mean of its divisors is an integer number (45720).

2^1881152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1881152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560320).

1881152 is an abundant number, since it is smaller than the sum of its proper divisors (3239488).

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

1881152 is a wasteful number, since it uses less digits than its factorization.

1881152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 58 counting only the distinct ones).

The product of its digits is 640, while the sum is 26.

The square root of 1881152 is about 1371.5509469210. The cubic root of 1881152 is about 123.4453199233.

The spelling of 1881152 in words is "one million, eight hundred eighty-one thousand, one hundred fifty-two".