1420342 has 32 divisors (see below), whose sum is σ = 2778624. Its totient is φ = 528000.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420342 is 2430241.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3342 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (86832).

2^1420342 is an apocalyptic number.

1420342 is a deficient number, since it is larger than the sum of its proper divisors (1358282).

1420342 is a wasteful number, since it uses less digits than its factorization.

1420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1420342 is about 1191.7810201543. The cubic root of 1420342 is about 112.4081093257.

Adding to 1420342 its reverse (2430241), we get a palindrome (3850583).

The spelling of 1420342 in words is "one million, four hundred twenty thousand, three hundred forty-two".