1420143122 has 16 divisors (see below), whose sum is σ = 2168275200. Its totient is φ = 697446288.

The previous prime is 1420143107. The next prime is 1420143149. The reversal of 1420143122 is 2213410241.

It is a junction number, because it is equal to n+sod(n) for n = 1420143094 and 1420143103.

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, 31583 + ... + 61949.

It is an arithmetic number, because the mean of its divisors is an integer number (135517200).

Almost surely, 2^1420143122 is an apocalyptic number.

1420143122 is a deficient number, since it is larger than the sum of its proper divisors (748132078).

1420143122 is a wasteful number, since it uses less digits than its factorization.

1420143122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30785.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1420143122 is about 37684.7863467474. The cubic root of 1420143122 is about 1124.0286257448.

Adding to 1420143122 its reverse (2213410241), we get a palindrome (3633553363).

The spelling of 1420143122 in words is "one billion, four hundred twenty million, one hundred forty-three thousand, one hundred twenty-two".