1342651 has 2 divisors, whose sum is σ = 1342652. Its totient is φ = 1342650.

The previous prime is 1342633. The next prime is 1342657. The reversal of 1342651 is 1562431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1342651 - 2⁹ = 1342139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1342657) 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, 671325 + 671326.

It is an arithmetic number, because the mean of its divisors is an integer number (671326).

2^1342651 is an apocalyptic number.

1342651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342651 is an equidigital number, since it uses as much as digits as its factorization.

1342651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 1342651 is about 1158.7281821031. The cubic root of 1342651 is about 110.3200321880.

The spelling of 1342651 in words is "one million, three hundred forty-two thousand, six hundred fifty-one".