1054320 has 80 divisors (see below), whose sum is σ = 3428352. Its totient is φ = 267520.

The previous prime is 1054309. The next prime is 1054321. The reversal of 1054320 is 234501.

1054320 = T₃₅₅ + T₃₅₆ + ... + T₃₇₀.

1054320 = 203² + 204² + ... + 225².

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1054320² = 2223181324800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1054320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5425 + ... + 5615.

2^1054320 is an apocalyptic number.

1054320 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 1054320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714176).

1054320 is an abundant number, since it is smaller than the sum of its proper divisors (2374032).

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

1054320 is a wasteful number, since it uses less digits than its factorization.

1054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1054320 is about 1026.8008570312. The cubic root of 1054320 is about 101.7788364521.

Adding to 1054320 its reverse (234501), we get a palindrome (1288821).

The spelling of 1054320 in words is "one million, fifty-four thousand, three hundred twenty".