1020780301 has 4 divisors (see below), whose sum is σ = 1074505600. Its totient is φ = 967055004.

The previous prime is 1020780269. The next prime is 1020780331. The reversal of 1020780301 is 1030870201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020780301 - 2⁵ = 1020780269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020780331) 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, 26862621 + ... + 26862658.

It is an arithmetic number, because the mean of its divisors is an integer number (268626400).

Almost surely, 2^1020780301 is an apocalyptic number.

It is an amenable number.

1020780301 is a deficient number, since it is larger than the sum of its proper divisors (53725299).

1020780301 is an equidigital number, since it uses as much as digits as its factorization.

1020780301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53725298.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1020780301 is about 31949.6525959204. The cubic root of 1020780301 is about 1006.8793332520.

The spelling of 1020780301 in words is "one billion, twenty million, seven hundred eighty thousand, three hundred one".