1063168121 has 4 divisors (see below), whose sum is σ = 1063760244. Its totient is φ = 1062576000.

The previous prime is 1063168109. The next prime is 1063168177. The reversal of 1063168121 is 1218613601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254562025 + 808606096 = 15955^2 + 28436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063168121 is a prime.

It is a super-2 number, since 2×1063168121² = 2260652907021341282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1063198121) 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 in 3 ways as a sum of consecutive naturals, for example, 293360 + ... + 296961.

It is an arithmetic number, because the mean of its divisors is an integer number (265940061).

Almost surely, 2^1063168121 is an apocalyptic number.

It is an amenable number.

1063168121 is a deficient number, since it is larger than the sum of its proper divisors (592123).

1063168121 is an equidigital number, since it uses as much as digits as its factorization.

1063168121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592122.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1063168121 is about 32606.2589237097. The cubic root of 1063168121 is about 1020.6276161133.

The spelling of 1063168121 in words is "one billion, sixty-three million, one hundred sixty-eight thousand, one hundred twenty-one".