1342111 has 2 divisors, whose sum is σ = 1342112. Its totient is φ = 1342110.

The previous prime is 1342109. The next prime is 1342139. The reversal of 1342111 is 1112431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342111 - 2¹ = 1342109 is a prime.

Together with 1342109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1342091 and 1342100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342181) 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 as a sum of consecutive naturals, namely, 671055 + 671056.

It is an arithmetic number, because the mean of its divisors is an integer number (671056).

2^1342111 is an apocalyptic number.

1342111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342111 is an equidigital number, since it uses as much as digits as its factorization.

1342111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 13.

The square root of 1342111 is about 1158.4951445733. The cubic root of 1342111 is about 110.3052403556.

Adding to 1342111 its reverse (1112431), we get a palindrome (2454542).

It can be divided in two parts, 13 and 42111, that added together give a palindrome (42124).

The spelling of 1342111 in words is "one million, three hundred forty-two thousand, one hundred eleven".