1070021071 has 4 divisors (see below), whose sum is σ = 1222881232. Its totient is φ = 917160912.

The previous prime is 1070021059. The next prime is 1070021077. The reversal of 1070021071 is 1701200701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1070021071 - 2⁵ = 1070021039 is a prime.

It is a super-2 number, since 2×1070021071² = 2289890184767974082, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070021077) 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, 76430070 + ... + 76430083.

It is an arithmetic number, because the mean of its divisors is an integer number (305720308).

Almost surely, 2^1070021071 is an apocalyptic number.

1070021071 is a deficient number, since it is larger than the sum of its proper divisors (152860161).

1070021071 is an equidigital number, since it uses as much as digits as its factorization.

1070021071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152860160.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 1070021071 is about 32711.1765456396. The cubic root of 1070021071 is about 1022.8158356231.

Adding to 1070021071 its reverse (1701200701), we get a palindrome (2771221772).

The spelling of 1070021071 in words is "one billion, seventy million, twenty-one thousand, seventy-one".