1121606167 has 16 divisors (see below), whose sum is σ = 1251417600. Its totient is φ = 996499840.

The previous prime is 1121606153. The next prime is 1121606173. The reversal of 1121606167 is 7616061211.

It is a cyclic number.

It is not a de Polignac number, because 1121606167 - 2²³ = 1113217559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121606137) 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, 525759 + ... + 527887.

It is an arithmetic number, because the mean of its divisors is an integer number (78213600).

Almost surely, 2^1121606167 is an apocalyptic number.

1121606167 is a deficient number, since it is larger than the sum of its proper divisors (129811433).

1121606167 is a wasteful number, since it uses less digits than its factorization.

1121606167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1121606167 is about 33490.3891736122. The cubic root of 1121606167 is about 1038.9950125789.

Adding to 1121606167 its reverse (7616061211), we get a palindrome (8737667378).

The spelling of 1121606167 in words is "one billion, one hundred twenty-one million, six hundred six thousand, one hundred sixty-seven".