1321060 has 24 divisors (see below), whose sum is σ = 2988216. Its totient is φ = 487680.

The previous prime is 1321031. The next prime is 1321063. The reversal of 1321060 is 601231.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 1313316 = 88^2 + 1146^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1321060.

It is not an unprimeable number, because it can be changed into a prime (1321063) 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 7 ways as a sum of consecutive naturals, for example, 2281 + ... + 2800.

It is an arithmetic number, because the mean of its divisors is an integer number (124509).

2^1321060 is an apocalyptic number.

1321060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321060 is an abundant number, since it is smaller than the sum of its proper divisors (1667156).

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

1321060 is a wasteful number, since it uses less digits than its factorization.

1321060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1321060 is about 1149.3737425224. The cubic root of 1321060 is about 109.7254862981.

Adding to 1321060 its reverse (601231), we get a palindrome (1922291).

The spelling of 1321060 in words is "one million, three hundred twenty-one thousand, sixty".