1342751 has 2 divisors, whose sum is σ = 1342752. Its totient is φ = 1342750.

The previous prime is 1342741. The next prime is 1342753. The reversal of 1342751 is 1572431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342751 is a prime.

Together with 1342753, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342753) 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, 671375 + 671376.

It is an arithmetic number, because the mean of its divisors is an integer number (671376).

2^1342751 is an apocalyptic number.

1342751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342751 is an equidigital number, since it uses as much as digits as its factorization.

1342751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 1342751 is about 1158.7713320582. The cubic root of 1342751 is about 110.3227709809.

The spelling of 1342751 in words is "one million, three hundred forty-two thousand, seven hundred fifty-one".