1171396248 has 64 divisors (see below), whose sum is σ = 3255033600. Its totient is φ = 348266880.

The previous prime is 1171396231. The next prime is 1171396249. The reversal of 1171396248 is 8426931711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171396249) 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 15 ways as a sum of consecutive naturals, for example, 27868 + ... + 55851.

It is an arithmetic number, because the mean of its divisors is an integer number (50859900).

Almost surely, 2^1171396248 is an apocalyptic number.

It is an amenable number.

1171396248 is an abundant number, since it is smaller than the sum of its proper divisors (2083637352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171396248 is a wasteful number, since it uses less digits than its factorization.

1171396248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83792 (or 83788 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1171396248 is about 34225.6665092150. Note that the first 3 decimals coincide. The cubic root of 1171396248 is about 1054.1472404891.

The spelling of 1171396248 in words is "one billion, one hundred seventy-one million, three hundred ninety-six thousand, two hundred forty-eight".