1126671161 has 24 divisors (see below), whose sum is σ = 1475907840. Its totient is φ = 849592800.

The previous prime is 1126671157. The next prime is 1126671163. The reversal of 1126671161 is 1611766211.

It is not a de Polignac number, because 1126671161 - 2² = 1126671157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1126671163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17006 + ... + 50423.

It is an arithmetic number, because the mean of its divisors is an integer number (61496160).

Almost surely, 2^1126671161 is an apocalyptic number.

1126671161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1126671161 is a deficient number, since it is larger than the sum of its proper divisors (349236679).

1126671161 is a wasteful number, since it uses less digits than its factorization.

1126671161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67485 (or 67478 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 1126671161 is about 33565.9226150571. The cubic root of 1126671161 is about 1040.5566426566.

The spelling of 1126671161 in words is "one billion, one hundred twenty-six million, six hundred seventy-one thousand, one hundred sixty-one".