1050406 has 8 divisors (see below), whose sum is σ = 1800720. Its totient is φ = 450168.

The previous prime is 1050391. The next prime is 1050421. The reversal of 1050406 is 6040501.

It is an interprime number because it is at equal distance from previous prime (1050391) and next prime (1050421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1050406² = 2206705529672, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37501 + ... + 37528.

It is an arithmetic number, because the mean of its divisors is an integer number (225090).

2^1050406 is an apocalyptic number.

1050406 is a deficient number, since it is larger than the sum of its proper divisors (750314).

1050406 is an equidigital number, since it uses as much as digits as its factorization.

1050406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75038.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1050406 is about 1024.8931651641. The cubic root of 1050406 is about 101.6527342131.

Adding to 1050406 its reverse (6040501), we get a palindrome (7090907).

The spelling of 1050406 in words is "one million, fifty thousand, four hundred six".