1128323167 has 16 divisors (see below), whose sum is σ = 1248141312. Its totient is φ = 1014555520.

The previous prime is 1128323159. The next prime is 1128323173. The reversal of 1128323167 is 7613238211.

It is a cyclic number.

It is not a de Polignac number, because 1128323167 - 2³ = 1128323159 is a prime.

It is a super-2 number, since 2×1128323167² = 2546226338377819778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128323117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533442 + ... + 535552.

It is an arithmetic number, because the mean of its divisors is an integer number (78008832).

Almost surely, 2^1128323167 is an apocalyptic number.

1128323167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1128323167 is a deficient number, since it is larger than the sum of its proper divisors (119818145).

1128323167 is a wasteful number, since it uses less digits than its factorization.

1128323167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518.

The product of its digits is 12096, while the sum is 34.

The square root of 1128323167 is about 33590.5219816543. The cubic root of 1128323167 is about 1041.0649738609.

The spelling of 1128323167 in words is "one billion, one hundred twenty-eight million, three hundred twenty-three thousand, one hundred sixty-seven".