1420120343 has 8 divisors (see below), whose sum is σ = 1482571200. Its totient is φ = 1358568288.

The previous prime is 1420120333. The next prime is 1420120367. The reversal of 1420120343 is 3430210241.

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 1420120343 - 2¹⁰ = 1420119319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420120333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221471 + ... + 227792.

It is an arithmetic number, because the mean of its divisors is an integer number (185321400).

Almost surely, 2^1420120343 is an apocalyptic number.

1420120343 is a deficient number, since it is larger than the sum of its proper divisors (62450857).

1420120343 is a wasteful number, since it uses less digits than its factorization.

1420120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449401.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1420120343 is about 37684.4841148184. The cubic root of 1420120343 is about 1124.0226159315.

Adding to 1420120343 its reverse (3430210241), we get a palindrome (4850330584).

The spelling of 1420120343 in words is "one billion, four hundred twenty million, one hundred twenty thousand, three hundred forty-three".