1420210143 has 12 divisors (see below), whose sum is σ = 2237907048. Its totient is φ = 860733360.

The previous prime is 1420210117. The next prime is 1420210147. The reversal of 1420210143 is 3410120241.

It is not a de Polignac number, because 1420210143 - 2¹⁸ = 1419947999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420210147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7172680 + ... + 7172877.

It is an arithmetic number, because the mean of its divisors is an integer number (186492254).

Almost surely, 2^1420210143 is an apocalyptic number.

1420210143 is a deficient number, since it is larger than the sum of its proper divisors (817696905).

1420210143 is a wasteful number, since it uses less digits than its factorization.

1420210143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14345574 (or 14345571 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1420210143 is about 37685.6755677804. The cubic root of 1420210143 is about 1124.0463076099.

Adding to 1420210143 its reverse (3410120241), we get a palindrome (4830330384).

The spelling of 1420210143 in words is "one billion, four hundred twenty million, two hundred ten thousand, one hundred forty-three".