1020570061 has 8 divisors (see below), whose sum is σ = 1234975680. Its totient is φ = 823316928.

The previous prime is 1020570049. The next prime is 1020570071. The reversal of 1020570061 is 1600750201.

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

It is not a de Polignac number, because 1020570061 - 2⁵ = 1020570029 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 (1020570071) 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 7 ways as a sum of consecutive naturals, for example, 4287991 + ... + 4288228.

It is an arithmetic number, because the mean of its divisors is an integer number (154371960).

Almost surely, 2^1020570061 is an apocalyptic number.

It is an amenable number.

1020570061 is a deficient number, since it is larger than the sum of its proper divisors (214405619).

1020570061 is an equidigital number, since it uses as much as digits as its factorization.

1020570061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8576243.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1020570061 is about 31946.3622498713. The cubic root of 1020570061 is about 1006.8102028539.

The spelling of 1020570061 in words is "one billion, twenty million, five hundred seventy thousand, sixty-one".