1341291 has 16 divisors (see below), whose sum is σ = 2133504. Its totient is φ = 732864.

The previous prime is 1341259. The next prime is 1341293. The reversal of 1341291 is 1921431.

1341291 = 303² + 304² + ... + 316².

It is not a de Polignac number, because 1341291 - 2⁵ = 1341259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1341293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 906 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (133344).

2^1341291 is an apocalyptic number.

1341291 is a deficient number, since it is larger than the sum of its proper divisors (792213).

1341291 is a wasteful number, since it uses less digits than its factorization.

1341291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810.

The product of its digits is 216, while the sum is 21.

The square root of 1341291 is about 1158.1411831033. The cubic root of 1341291 is about 110.2827710952.

The spelling of 1341291 in words is "one million, three hundred forty-one thousand, two hundred ninety-one".