1064197771 has 32 divisors (see below), whose sum is σ = 1398297600. Its totient is φ = 786360960.

The previous prime is 1064197753. The next prime is 1064197789. The reversal of 1064197771 is 1777914601.

It is an interprime number because it is at equal distance from previous prime (1064197753) and next prime (1064197789).

It is a de Polignac number, because none of the positive numbers 2^k-1064197771 is a prime.

It is a super-2 number, since 2×1064197771² = 2265033791602736882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064197571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118425 + ... + 127093.

It is an arithmetic number, because the mean of its divisors is an integer number (43696800).

Almost surely, 2^1064197771 is an apocalyptic number.

1064197771 is a deficient number, since it is larger than the sum of its proper divisors (334099829).

1064197771 is a wasteful number, since it uses less digits than its factorization.

1064197771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8779.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 1064197771 is about 32622.0442492496. The cubic root of 1064197771 is about 1020.9569933566.

The spelling of 1064197771 in words is "one billion, sixty-four million, one hundred ninety-seven thousand, seven hundred seventy-one".