1421033043 has 16 divisors (see below), whose sum is σ = 2006950176. Its totient is φ = 891279360.

The previous prime is 1421033041. The next prime is 1421033057. The reversal of 1421033043 is 3403301241.

It is not a de Polignac number, because 1421033043 - 2¹ = 1421033041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421033041) 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 15 ways as a sum of consecutive naturals, for example, 204303 + ... + 211143.

It is an arithmetic number, because the mean of its divisors is an integer number (125434386).

Almost surely, 2^1421033043 is an apocalyptic number.

1421033043 is a deficient number, since it is larger than the sum of its proper divisors (585917133).

1421033043 is a wasteful number, since it uses less digits than its factorization.

1421033043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1421033043 is about 37696.5919281836. The cubic root of 1421033043 is about 1124.2633644819.

Adding to 1421033043 its reverse (3403301241), we get a palindrome (4824334284).

The spelling of 1421033043 in words is "one billion, four hundred twenty-one million, thirty-three thousand, forty-three".