1264284167 has 2 divisors, whose sum is σ = 1264284168. Its totient is φ = 1264284166.

The previous prime is 1264284157. The next prime is 1264284181. The reversal of 1264284167 is 7614824621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264284167 - 2³⁰ = 190542343 is a prime.

It is a super-3 number, since 3×1264284167³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264284107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632142083 + 632142084.

It is an arithmetic number, because the mean of its divisors is an integer number (632142084).

Almost surely, 2^1264284167 is an apocalyptic number.

1264284167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264284167 is an equidigital number, since it uses as much as digits as its factorization.

1264284167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 1264284167 is about 35556.7738553430. The cubic root of 1264284167 is about 1081.3050544455.

The spelling of 1264284167 in words is "one billion, two hundred sixty-four million, two hundred eighty-four thousand, one hundred sixty-seven".