1228851167 has 2 divisors, whose sum is σ = 1228851168. Its totient is φ = 1228851166.

The previous prime is 1228851149. The next prime is 1228851179. The reversal of 1228851167 is 7611588221.

It is a strong prime.

It is an emirp because it is prime and its reverse (7611588221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1228851167 - 2¹⁶ = 1228785631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228851367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614425583 + 614425584.

It is an arithmetic number, because the mean of its divisors is an integer number (614425584).

Almost surely, 2^1228851167 is an apocalyptic number.

1228851167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228851167 is an equidigital number, since it uses as much as digits as its factorization.

1228851167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 41.

The square root of 1228851167 is about 35054.9734987776. The cubic root of 1228851167 is about 1071.1075866247.

The spelling of 1228851167 in words is "one billion, two hundred twenty-eight million, eight hundred fifty-one thousand, one hundred sixty-seven".