1020045322 has 8 divisors (see below), whose sum is σ = 1620072036. Its totient is φ = 480021312.

The previous prime is 1020045289. The next prime is 1020045347. The reversal of 1020045322 is 2235400201.

It can be written as a sum of positive squares in 2 ways, for example, as 987907761 + 32137561 = 31431^2 + 5669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020045322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15000633 + ... + 15000700.

Almost surely, 2^1020045322 is an apocalyptic number.

1020045322 is a deficient number, since it is larger than the sum of its proper divisors (600026714).

1020045322 is a wasteful number, since it uses less digits than its factorization.

1020045322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30001352.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1020045322 is about 31938.1483808940. The cubic root of 1020045322 is about 1006.6376185401.

Adding to 1020045322 its reverse (2235400201), we get a palindrome (3255445523).

The spelling of 1020045322 in words is "one billion, twenty million, forty-five thousand, three hundred twenty-two".