1341091 has 4 divisors (see below), whose sum is σ = 1384384. Its totient is φ = 1297800.

The previous prime is 1341089. The next prime is 1341097. The reversal of 1341091 is 1901431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1341091 - 2¹ = 1341089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341097) 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, 21600 + ... + 21661.

It is an arithmetic number, because the mean of its divisors is an integer number (346096).

2^1341091 is an apocalyptic number.

1341091 is a deficient number, since it is larger than the sum of its proper divisors (43293).

1341091 is an equidigital number, since it uses as much as digits as its factorization.

1341091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43292.

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

The square root of 1341091 is about 1158.0548346257. The cubic root of 1341091 is about 110.2772893987.

It can be divided in two parts, 134 and 1091, that added together give a triangular number (1225 = T₄₉).

The spelling of 1341091 in words is "one million, three hundred forty-one thousand, ninety-one".