1045628099 has 4 divisors (see below), whose sum is σ = 1049794200. Its totient is φ = 1041462000.

The previous prime is 1045628071. The next prime is 1045628137. The reversal of 1045628099 is 9908265401.

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 1045628099 - 2¹² = 1045624003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045628069) 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, 2082674 + ... + 2083175.

It is an arithmetic number, because the mean of its divisors is an integer number (262448550).

Almost surely, 2^1045628099 is an apocalyptic number.

1045628099 is a deficient number, since it is larger than the sum of its proper divisors (4166101).

1045628099 is an equidigital number, since it uses as much as digits as its factorization.

1045628099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166100.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1045628099 is about 32336.1732275172. The cubic root of 1045628099 is about 1014.9837327426.

The spelling of 1045628099 in words is "one billion, forty-five million, six hundred twenty-eight thousand, ninety-nine".