1045331026 has 4 divisors (see below), whose sum is σ = 1567996542. Its totient is φ = 522665512.

The previous prime is 1045331011. The next prime is 1045331033. The reversal of 1045331026 is 6201335401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6201335401 = 491 ⋅12630011.

It can be written as a sum of positive squares in only one way, i.e., 975625225 + 69705801 = 31235^2 + 8349^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 261332755 + ... + 261332758.

Almost surely, 2^1045331026 is an apocalyptic number.

1045331026 is a deficient number, since it is larger than the sum of its proper divisors (522665516).

1045331026 is an equidigital number, since it uses as much as digits as its factorization.

1045331026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522665515.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1045331026 is about 32331.5793922908. The cubic root of 1045331026 is about 1014.8876014245.

Adding to 1045331026 its reverse (6201335401), we get a palindrome (7246666427).

The spelling of 1045331026 in words is "one billion, forty-five million, three hundred thirty-one thousand, twenty-six".