1420143124 has 24 divisors (see below), whose sum is σ = 2510905320. Its totient is φ = 702756864.

The previous prime is 1420143107. The next prime is 1420143149. The reversal of 1420143124 is 4213410241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 868363024 + 551780100 = 29468^2 + 23490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1420143095 and 1420143104.

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, 623652 + ... + 625924.

It is an arithmetic number, because the mean of its divisors is an integer number (104621055).

Almost surely, 2^1420143124 is an apocalyptic number.

It is an amenable number.

1420143124 is a deficient number, since it is larger than the sum of its proper divisors (1090762196).

1420143124 is a wasteful number, since it uses less digits than its factorization.

1420143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819 (or 3817 counting only the distinct ones).

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

The square root of 1420143124 is about 37684.7863732833. The cubic root of 1420143124 is about 1124.0286262724.

Adding to 1420143124 its reverse (4213410241), we get a palindrome (5633553365).

The spelling of 1420143124 in words is "one billion, four hundred twenty million, one hundred forty-three thousand, one hundred twenty-four".