1050840 has 128 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 238464.

The previous prime is 1050817. The next prime is 1050851. The reversal of 1050840 is 480501.

It is a super-2 number, since 2×1050840² = 2208529411200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7491 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2^1050840 is an apocalyptic number.

1050840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2016000).

1050840 is an abundant number, since it is smaller than the sum of its proper divisors (2981160).

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

1050840 is a wasteful number, since it uses less digits than its factorization.

1050840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1050840 is about 1025.1048726838. The cubic root of 1050840 is about 101.6667323598. Note that the first 3 decimals are identical.

The spelling of 1050840 in words is "one million, fifty thousand, eight hundred forty".