1171254448 has 80 divisors (see below), whose sum is σ = 2850164800. Its totient is φ = 463325184.

The previous prime is 1171254437. The next prime is 1171254481. The reversal of 1171254448 is 8444521711.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63136 + ... + 79552.

It is an arithmetic number, because the mean of its divisors is an integer number (35627060).

Almost surely, 2^1171254448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171254448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425082400).

1171254448 is an abundant number, since it is smaller than the sum of its proper divisors (1678910352).

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

1171254448 is a wasteful number, since it uses less digits than its factorization.

1171254448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16459 (or 16439 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 1171254448 is about 34223.5949017633. The cubic root of 1171254448 is about 1054.1047031863.

The spelling of 1171254448 in words is "one billion, one hundred seventy-one million, two hundred fifty-four thousand, four hundred forty-eight".