1020738601 has 9 divisors (see below), whose sum is σ = 1046437149. Its totient is φ = 995658636.

The previous prime is 1020738553. The next prime is 1020738611. The reversal of 1020738601 is 1068370201.

The square root of 1020738601 is 31949.

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

It is not a de Polignac number, because 1020738601 - 2⁷ = 1020738473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020738601.

It is not an unprimeable number, because it can be changed into a prime (1020738611) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 1373436 + ... + 1374178.

Almost surely, 2^1020738601 is an apocalyptic number.

1020738601 is the 31949-th square number.

1020738601 is the 15975-th centered octagonal number.

It is an amenable number.

1020738601 is a deficient number, since it is larger than the sum of its proper divisors (25698548).

1020738601 is an frugal number, since it uses more digits than its factorization.

1020738601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The cubic root of 1020738601 is about 1006.8656223553.

The spelling of 1020738601 in words is "one billion, twenty million, seven hundred thirty-eight thousand, six hundred one".