1020291364 has 9 divisors (see below), whose sum is σ = 1785621691. Its totient is φ = 510113740.

The previous prime is 1020291359. The next prime is 1020291383. The reversal of 1020291364 is 4631920201.

The square root of 1020291364 is 31942.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 55899 + ... + 71869.

Almost surely, 2^1020291364 is an apocalyptic number.

1020291364 is the 31942-nd square number.

It is an amenable number.

1020291364 is a deficient number, since it is larger than the sum of its proper divisors (765330327).

1020291364 is an frugal number, since it uses more digits than its factorization.

1020291364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31946 (or 15973 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The cubic root of 1020291364 is about 1006.7185480232.

The spelling of 1020291364 in words is "one billion, twenty million, two hundred ninety-one thousand, three hundred sixty-four".