1171220367 has 8 divisors (see below), whose sum is σ = 1584935296. Its totient is φ = 769159512.

The previous prime is 1171220359. The next prime is 1171220371. The reversal of 1171220367 is 7630221711.

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

It is not a de Polignac number, because 1171220367 - 2³ = 1171220359 is a prime.

It is a super-2 number, since 2×1171220367² = 2743514296151229378, 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 (1171220317) 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, 2913283 + ... + 2913684.

It is an arithmetic number, because the mean of its divisors is an integer number (198116912).

Almost surely, 2^1171220367 is an apocalyptic number.

1171220367 is a deficient number, since it is larger than the sum of its proper divisors (413714929).

1171220367 is an equidigital number, since it uses as much as digits as its factorization.

1171220367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827037.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1171220367 is about 34223.0969814247. The cubic root of 1171220367 is about 1054.0944790228.

The spelling of 1171220367 in words is "one billion, one hundred seventy-one million, two hundred twenty thousand, three hundred sixty-seven".