1144887167 has 2 divisors, whose sum is σ = 1144887168. Its totient is φ = 1144887166.

The previous prime is 1144887131. The next prime is 1144887173. The reversal of 1144887167 is 7617884411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144887167 - 2¹⁶ = 1144821631 is a prime.

It is a super-2 number, since 2×1144887167² = 2621533250322571778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144886167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572443583 + 572443584.

It is an arithmetic number, because the mean of its divisors is an integer number (572443584).

Almost surely, 2^1144887167 is an apocalyptic number.

1144887167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144887167 is an equidigital number, since it uses as much as digits as its factorization.

1144887167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 47.

The square root of 1144887167 is about 33836.1813300496. The cubic root of 1144887167 is about 1046.1345908946.

The spelling of 1144887167 in words is "one billion, one hundred forty-four million, eight hundred eighty-seven thousand, one hundred sixty-seven".