1171008321 has 24 divisors (see below), whose sum is σ = 1833256800. Its totient is φ = 662884992.

The previous prime is 1171008299. The next prime is 1171008343. The reversal of 1171008321 is 1238001711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1171008299) and next prime (1171008343).

It is not a de Polignac number, because 1171008321 - 2¹¹ = 1171006273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1171008291 and 1171008300.

It is not an unprimeable number, because it can be changed into a prime (1171003321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21496 + ... + 52953.

It is an arithmetic number, because the mean of its divisors is an integer number (76385700).

Almost surely, 2^1171008321 is an apocalyptic number.

It is an amenable number.

1171008321 is a deficient number, since it is larger than the sum of its proper divisors (662248479).

1171008321 is a wasteful number, since it uses less digits than its factorization.

1171008321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74573 (or 74566 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 1171008321 is about 34219.9988457042. The cubic root of 1171008321 is about 1054.0308616158.

The spelling of 1171008321 in words is "one billion, one hundred seventy-one million, eight thousand, three hundred twenty-one".