1070020571 has 4 divisors (see below), whose sum is σ = 1070118192. Its totient is φ = 1069922952.

The previous prime is 1070020561. The next prime is 1070020573. The reversal of 1070020571 is 1750200701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1750200701 = 953 ⋅1836517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1070020571 is a prime.

It is a super-2 number, since 2×1070020571² = 2289888044726332082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1070020573) 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, 29936 + ... + 55101.

It is an arithmetic number, because the mean of its divisors is an integer number (267529548).

Almost surely, 2^1070020571 is an apocalyptic number.

1070020571 is a deficient number, since it is larger than the sum of its proper divisors (97621).

1070020571 is an equidigital number, since it uses as much as digits as its factorization.

1070020571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97620.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1070020571 is about 32711.1689029909. The cubic root of 1070020571 is about 1022.8156763091.

The spelling of 1070020571 in words is "one billion, seventy million, twenty thousand, five hundred seventy-one".