1043001045 has 48 divisors (see below), whose sum is σ = 1901532672. Its totient is φ = 528128640.

The previous prime is 1043001031. The next prime is 1043001049. The reversal of 1043001045 is 5401003401.

It is a happy number.

It is not a de Polignac number, because 1043001045 - 2⁵ = 1043001013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043001049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66882 + ... + 80988.

It is an arithmetic number, because the mean of its divisors is an integer number (39615264).

Almost surely, 2^1043001045 is an apocalyptic number.

1043001045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043001045 is a deficient number, since it is larger than the sum of its proper divisors (858531627).

1043001045 is a wasteful number, since it uses less digits than its factorization.

1043001045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14202 (or 14199 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1043001045 is about 32295.5267026256. The cubic root of 1043001045 is about 1014.1329990224.

Adding to 1043001045 its reverse (5401003401), we get a palindrome (6444004446).

The spelling of 1043001045 in words is "one billion, forty-three million, one thousand, forty-five".