1421042 has 8 divisors (see below), whose sum is σ = 2436096. Its totient is φ = 609012.

The previous prime is 1421041. The next prime is 1421083. The reversal of 1421042 is 2401241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 101503 = 1421042 / (1 + 4 + 2 + 1 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1421041) 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 in 3 ways as a sum of consecutive naturals, for example, 50738 + ... + 50765.

It is an arithmetic number, because the mean of its divisors is an integer number (304512).

2^1421042 is an apocalyptic number.

1421042 is a deficient number, since it is larger than the sum of its proper divisors (1015054).

1421042 is a wasteful number, since it uses less digits than its factorization.

1421042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101512.

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

The square root of 1421042 is about 1192.0746620913. The cubic root of 1421042 is about 112.4265726615.

Adding to 1421042 its reverse (2401241), we get a palindrome (3822283).

The spelling of 1421042 in words is "one million, four hundred twenty-one thousand, forty-two".