1050000 has 120 divisors (see below), whose sum is σ = 3874752. Its totient is φ = 240000.

The previous prime is 1049999. The next prime is 1050011. The reversal of 1050000 is 501.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1050000² = 2205000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149997 + ... + 150003.

2^1050000 is an apocalyptic number.

1050000 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 1050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937376).

1050000 is an abundant number, since it is smaller than the sum of its proper divisors (2824752).

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

1050000 is an frugal number, since it uses more digits than its factorization.

1050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 6.

The square root of 1050000 is about 1024.6950765960. The cubic root of 1050000 is about 101.6396356815.

Adding to 1050000 its reverse (501), we get a palindrome (1050501).

The spelling of 1050000 in words is "one million, fifty thousand".