1171254240 has 576 divisors, whose sum is σ = 4705646400. Its totient is φ = 262766592.

The previous prime is 1171254239. The next prime is 1171254247. The reversal of 1171254240 is 424521711.

1171254240 is a `hidden beast` number, since 1 + 171 + 254 + 240 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171254247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13160116 + ... + 13160204.

It is an arithmetic number, because the mean of its divisors is an integer number (8169525).

Almost surely, 2^1171254240 is an apocalyptic number.

1171254240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352823200).

1171254240 is an abundant number, since it is smaller than the sum of its proper divisors (3534392160).

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

1171254240 is a wasteful number, since it uses less digits than its factorization.

1171254240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1171254240 is about 34223.5918629240. The cubic root of 1171254240 is about 1054.1046407877.

Adding to 1171254240 its reverse (424521711), we get a palindrome (1595775951).

The spelling of 1171254240 in words is "one billion, one hundred seventy-one million, two hundred fifty-four thousand, two hundred forty".