1420143803 has 8 divisors (see below), whose sum is σ = 1529691408. Its totient is φ = 1310639904.

The previous prime is 1420143797. The next prime is 1420143839. The reversal of 1420143803 is 3083410241.

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 1420143803 - 2⁴ = 1420143787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420143853) 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, 93800 + ... + 107882.

It is an arithmetic number, because the mean of its divisors is an integer number (191211426).

Almost surely, 2^1420143803 is an apocalyptic number.

1420143803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1420143803 is a deficient number, since it is larger than the sum of its proper divisors (109547605).

1420143803 is a wasteful number, since it uses less digits than its factorization.

1420143803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1420143803 is about 37684.7953822228. The cubic root of 1420143803 is about 1124.0288054129.

The spelling of 1420143803 in words is "one billion, four hundred twenty million, one hundred forty-three thousand, eight hundred three".