1442103421 has 8 divisors (see below), whose sum is σ = 1665745344. Its totient is φ = 1233885120.

The previous prime is 1442103407. The next prime is 1442103431. The reversal of 1442103421 is 1243012441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1442103421 - 2¹⁵ = 1442070653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442103392 and 1442103401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442103431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855705 + ... + 3856078.

It is an arithmetic number, because the mean of its divisors is an integer number (208218168).

Almost surely, 2^1442103421 is an apocalyptic number.

1442103421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442103421 is a deficient number, since it is larger than the sum of its proper divisors (223641923).

1442103421 is a wasteful number, since it uses less digits than its factorization.

1442103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711811.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1442103421 is about 37975.0368136754. The cubic root of 1442103421 is about 1129.7927990886.

Adding to 1442103421 its reverse (1243012441), we get a palindrome (2685115862).

The spelling of 1442103421 in words is "one billion, four hundred forty-two million, one hundred three thousand, four hundred twenty-one".