1011320 has 32 divisors (see below), whose sum is σ = 2304720. Its totient is φ = 399360.

The previous prime is 1011289. The next prime is 1011331. The reversal of 1011320 is 231101.

It is a super-3 number, since 3×1011320³ = 3103037633315904000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1011298 and 1011307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5144 + ... + 5336.

2^1011320 is an apocalyptic number.

1011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011320 is an abundant number, since it is smaller than the sum of its proper divisors (1293400).

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

1011320 is a wasteful number, since it uses less digits than its factorization.

1011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1011320 is about 1005.6440722244. The cubic root of 1011320 is about 100.3759184160.

Adding to 1011320 its reverse (231101), we get a palindrome (1242421).

It can be divided in two parts, 1011 and 320, that added together give a palindrome (1331).

The spelling of 1011320 in words is "one million, eleven thousand, three hundred twenty".