1252167167 has 2 divisors, whose sum is σ = 1252167168. Its totient is φ = 1252167166.

The previous prime is 1252167151. The next prime is 1252167187. The reversal of 1252167167 is 7617612521.

It is a weak prime.

It is an emirp because it is prime and its reverse (7617612521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252167167 - 2⁴ = 1252167151 is a prime.

It is a super-2 number, since 2×1252167167² = 3135845228225611778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1252167167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252167187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626083583 + 626083584.

It is an arithmetic number, because the mean of its divisors is an integer number (626083584).

Almost surely, 2^1252167167 is an apocalyptic number.

1252167167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252167167 is an equidigital number, since it uses as much as digits as its factorization.

1252167167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 1252167167 is about 35385.9741564366. The cubic root of 1252167167 is about 1077.8395215601.

Adding to 1252167167 its reverse (7617612521), we get a palindrome (8869779688).

The spelling of 1252167167 in words is "one billion, two hundred fifty-two million, one hundred sixty-seven thousand, one hundred sixty-seven".