1027164109 has 2 divisors, whose sum is σ = 1027164110. Its totient is φ = 1027164108.

The previous prime is 1027164097. The next prime is 1027164133. The reversal of 1027164109 is 9014617201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1025408484 + 1755625 = 32022^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027164109 - 2⁵ = 1027164077 is a prime.

It is a super-2 number, since 2×1027164109² = 2110132213635527762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1027164139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513582054 + 513582055.

It is an arithmetic number, because the mean of its divisors is an integer number (513582055).

Almost surely, 2^1027164109 is an apocalyptic number.

It is an amenable number.

1027164109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027164109 is an equidigital number, since it uses as much as digits as its factorization.

1027164109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1027164109 is about 32049.4010708469. The cubic root of 1027164109 is about 1008.9739306738.

The spelling of 1027164109 in words is "one billion, twenty-seven million, one hundred sixty-four thousand, one hundred nine".