1043620026203 has 4 divisors (see below), whose sum is σ = 1043622662280. Its totient is φ = 1043617390128.

The previous prime is 1043620026193. The next prime is 1043620026217. The reversal of 1043620026203 is 3026200263401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043620026203 - 2¹⁰ = 1043620025179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043620026803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590225 + ... + 1560642.

It is an arithmetic number, because the mean of its divisors is an integer number (260905665570).

Almost surely, 2^{1043620026203} is an apocalyptic number.

1043620026203 is a deficient number, since it is larger than the sum of its proper divisors (2636077).

1043620026203 is an equidigital number, since it uses as much as digits as its factorization.

1043620026203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636076.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1043620026203 its reverse (3026200263401), we get a palindrome (4069820289604).

The spelling of 1043620026203 in words is "one trillion, forty-three billion, six hundred twenty million, twenty-six thousand, two hundred three".