1051320 has 32 divisors (see below), whose sum is σ = 3154320. Its totient is φ = 280320.

The previous prime is 1051319. The next prime is 1051333. The reversal of 1051320 is 231501.

It is a super-2 number, since 2×1051320² = 2210547484800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1051296 and 1051305.

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 7 ways as a sum of consecutive naturals, for example, 4261 + ... + 4500.

2^1051320 is an apocalyptic number.

1051320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051320 is an abundant number, since it is smaller than the sum of its proper divisors (2103000).

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

1051320 is a wasteful number, since it uses less digits than its factorization.

1051320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775 (or 8771 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1051320 is about 1025.3389683417. The cubic root of 1051320 is about 101.6822096933.

Adding to 1051320 its reverse (231501), we get a palindrome (1282821).

The spelling of 1051320 in words is "one million, fifty-one thousand, three hundred twenty".