1420142 has 16 divisors (see below), whose sum is σ = 2205792. Its totient is φ = 685440.

The previous prime is 1420123. The next prime is 1420151. The reversal of 1420142 is 2410241.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10298 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (137862).

2^1420142 is an apocalyptic number.

1420142 is a deficient number, since it is larger than the sum of its proper divisors (785650).

1420142 is a wasteful number, since it uses less digits than its factorization.

1420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1420142 is about 1191.6971091683. The cubic root of 1420142 is about 112.4028329728.

Adding to 1420142 its reverse (2410241), we get a palindrome (3830383).

Subtracting 1420142 from its reverse (2410241), we obtain a palindrome (990099).

The spelling of 1420142 in words is "one million, four hundred twenty thousand, one hundred forty-two".