1044012203 has 16 divisors (see below), whose sum is σ = 1167532800. Its totient is φ = 932555520.

The previous prime is 1044012191. The next prime is 1044012217. The reversal of 1044012203 is 3022104401.

It is not a de Polignac number, because 1044012203 - 2²⁴ = 1027234987 is a prime.

It is a super-2 number, since 2×1044012203² = 2179922960025826418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044012283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60443 + ... + 75771.

It is an arithmetic number, because the mean of its divisors is an integer number (72970800).

Almost surely, 2^1044012203 is an apocalyptic number.

1044012203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1044012203 is a deficient number, since it is larger than the sum of its proper divisors (123520597).

1044012203 is an equidigital number, since it uses as much as digits as its factorization.

1044012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15399 (or 15373 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1044012203 is about 32311.1776789395. The cubic root of 1044012203 is about 1014.4606169405.

Adding to 1044012203 its reverse (3022104401), we get a palindrome (4066116604).

The spelling of 1044012203 in words is "one billion, forty-four million, twelve thousand, two hundred three".