1291060 has 12 divisors (see below), whose sum is σ = 2711268. Its totient is φ = 516416.

The previous prime is 1291021. The next prime is 1291063. The reversal of 1291060 is 601921.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 1127844 = 404^2 + 1062^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1291063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32257 + ... + 32296.

It is an arithmetic number, because the mean of its divisors is an integer number (225939).

2^1291060 is an apocalyptic number.

1291060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1291060 is an abundant number, since it is smaller than the sum of its proper divisors (1420208).

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

1291060 is a wasteful number, since it uses less digits than its factorization.

1291060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64562 (or 64560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1291060 is about 1136.2482123198. The cubic root of 1291060 is about 108.8885317834. Note that the first 3 decimals are identical.

Adding to 1291060 its reverse (601921), we get a palindrome (1892981).

The spelling of 1291060 in words is "one million, two hundred ninety-one thousand, sixty".