1054421 has 4 divisors (see below), whose sum is σ = 1069344. Its totient is φ = 1039500.

The previous prime is 1054393. The next prime is 1054423. The reversal of 1054421 is 1244501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1054421 - 2¹⁸ = 792277 is a prime.

It is a super-2 number, since 2×1054421² = 2223607290482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054423) 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, 7355 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (267336).

2^1054421 is an apocalyptic number.

It is an amenable number.

1054421 is a deficient number, since it is larger than the sum of its proper divisors (14923).

1054421 is an equidigital number, since it uses as much as digits as its factorization.

1054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14922.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1054421 is about 1026.8500377368. The cubic root of 1054421 is about 101.7820863618.

Adding to 1054421 its reverse (1244501), we get a palindrome (2298922).

The spelling of 1054421 in words is "one million, fifty-four thousand, four hundred twenty-one".