1050491 has 8 divisors (see below), whose sum is σ = 1191120. Its totient is φ = 918432.

The previous prime is 1050473. The next prime is 1050503. The reversal of 1050491 is 1940501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050491 is a prime.

It is a super-2 number, since 2×1050491² = 2207062682162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (148890).

2^1050491 is an apocalyptic number.

1050491 is a deficient number, since it is larger than the sum of its proper divisors (140629).

1050491 is a wasteful number, since it uses less digits than its factorization.

1050491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1050491 is about 1024.9346320620. The cubic root of 1050491 is about 101.6554760892.

Adding to 1050491 its reverse (1940501), we get a palindrome (2990992).

The spelling of 1050491 in words is "one million, fifty thousand, four hundred ninety-one".