1420341043 has 32 divisors (see below), whose sum is σ = 1638973440. Its totient is φ = 1219044000.

The previous prime is 1420341023. The next prime is 1420341077. The reversal of 1420341043 is 3401430241.

It is a de Polignac number, because none of the positive numbers 2^k-1420341043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420341023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4566858 + ... + 4567168.

It is an arithmetic number, because the mean of its divisors is an integer number (51217920).

Almost surely, 2^1420341043 is an apocalyptic number.

1420341043 is a deficient number, since it is larger than the sum of its proper divisors (218632397).

1420341043 is a wasteful number, since it uses less digits than its factorization.

1420341043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1420341043 is about 37687.4122619211. The cubic root of 1420341043 is about 1124.0808407955.

Adding to 1420341043 its reverse (3401430241), we get a palindrome (4821771284).

The spelling of 1420341043 in words is "one billion, four hundred twenty million, three hundred forty-one thousand, forty-three".