1342091 has 4 divisors (see below), whose sum is σ = 1388400. Its totient is φ = 1295784.

The previous prime is 1342087. The next prime is 1342093. The reversal of 1342091 is 1902431.

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 1342091 - 2² = 1342087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342093) 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, 23111 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (347100).

2^1342091 is an apocalyptic number.

1342091 is a deficient number, since it is larger than the sum of its proper divisors (46309).

1342091 is an equidigital number, since it uses as much as digits as its factorization.

1342091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46308.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1342091 is about 1158.4865126535. The cubic root of 1342091 is about 110.3046924337.

The spelling of 1342091 in words is "one million, three hundred forty-two thousand, ninety-one".