1054491 has 4 divisors (see below), whose sum is σ = 1405992. Its totient is φ = 702992.

The previous prime is 1054483. The next prime is 1054517. The reversal of 1054491 is 1944501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054491 - 2³ = 1054483 is a prime.

It is a super-2 number, since 2×1054491² = 2223902538162, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1054441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175746 + ... + 175751.

It is an arithmetic number, because the mean of its divisors is an integer number (351498).

2^1054491 is an apocalyptic number.

1054491 is a deficient number, since it is larger than the sum of its proper divisors (351501).

1054491 is an equidigital number, since it uses as much as digits as its factorization.

1054491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351500.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1054491 is about 1026.8841219924. The cubic root of 1054491 is about 101.7843386526.

Adding to 1054491 its reverse (1944501), we get a palindrome (2998992).

The spelling of 1054491 in words is "one million, fifty-four thousand, four hundred ninety-one".