1171957248 has 400 divisors, whose sum is σ = 4373005824. Its totient is φ = 303575040.

The previous prime is 1171957247. The next prime is 1171957273. The reversal of 1171957248 is 8427591711.

It is a happy number.

1171957248 is a `hidden beast` number, since 1 + 1 + 71 + 9 + 572 + 4 + 8 = 666.

It is a super-2 number, since 2×1171957248² = 2746967582279467008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171957247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3193161 + ... + 3193527.

Almost surely, 2^1171957248 is an apocalyptic number.

1171957248 is a gapful number since it is divisible by the number (18) 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 1171957248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2186502912).

1171957248 is an abundant number, since it is smaller than the sum of its proper divisors (3201048576).

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

1171957248 is an equidigital number, since it uses as much as digits as its factorization.

1171957248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 390 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The square root of 1171957248 is about 34233.8611319261. The cubic root of 1171957248 is about 1054.3154961701.

The spelling of 1171957248 in words is "one billion, one hundred seventy-one million, nine hundred fifty-seven thousand, two hundred forty-eight".