1121771167 has 8 divisors (see below), whose sum is σ = 1228269312. Its totient is φ = 1016026200.

The previous prime is 1121771141. The next prime is 1121771173. The reversal of 1121771167 is 7611771211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121771167 - 2¹¹ = 1121769119 is a prime.

It is a super-2 number, since 2×1121771167² = 2516741102225083778, 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 (1121771107) 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 7 ways as a sum of consecutive naturals, for example, 185173 + ... + 191134.

It is an arithmetic number, because the mean of its divisors is an integer number (153533664).

Almost surely, 2^1121771167 is an apocalyptic number.

1121771167 is a deficient number, since it is larger than the sum of its proper divisors (106498145).

1121771167 is a wasteful number, since it uses less digits than its factorization.

1121771167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376589.

The product of its digits is 4116, while the sum is 34.

The square root of 1121771167 is about 33492.8524763120. The cubic root of 1121771167 is about 1039.0459590924.

The spelling of 1121771167 in words is "one billion, one hundred twenty-one million, seven hundred seventy-one thousand, one hundred sixty-seven".