1045021436 has 12 divisors (see below), whose sum is σ = 1837978800. Its totient is φ = 519884640.

The previous prime is 1045021427. The next prime is 1045021441. The reversal of 1045021436 is 6341205401.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 655625 + ... + 657216.

It is an arithmetic number, because the mean of its divisors is an integer number (153164900).

Almost surely, 2^1045021436 is an apocalyptic number.

It is an amenable number.

1045021436 is a deficient number, since it is larger than the sum of its proper divisors (792957364).

1045021436 is a wasteful number, since it uses less digits than its factorization.

1045021436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313044 (or 1313042 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1045021436 is about 32326.7913038087. The cubic root of 1045021436 is about 1014.7874002863.

Adding to 1045021436 its reverse (6341205401), we get a palindrome (7386226837).

The spelling of 1045021436 in words is "one billion, forty-five million, twenty-one thousand, four hundred thirty-six".