1031872 has 28 divisors (see below), whose sum is σ = 2139696. Its totient is φ = 492800.

The previous prime is 1031869. The next prime is 1031911. The reversal of 1031872 is 2781301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122 + ... + 1822.

2^1031872 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 1031872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1069848).

1031872 is an abundant number, since it is smaller than the sum of its proper divisors (1107824).

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

1031872 is an equidigital number, since it uses as much as digits as its factorization.

1031872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1031872 is about 1015.8110060439. The cubic root of 1031872 is about 101.0513087668.

The spelling of 1031872 in words is "one million, thirty-one thousand, eight hundred seventy-two".