1181252960 has 48 divisors (see below), whose sum is σ = 2798031600. Its totient is φ = 471261696.

The previous prime is 1181252921. The next prime is 1181252977. The reversal of 1181252960 is 692521811.

It is a self number, because there is not a number n which added to its sum of digits gives 1181252960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52751 + ... + 71729.

It is an arithmetic number, because the mean of its divisors is an integer number (58292325).

Almost surely, 2^1181252960 is an apocalyptic number.

1181252960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1181252960 is an abundant number, since it is smaller than the sum of its proper divisors (1616778640).

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

1181252960 is a wasteful number, since it uses less digits than its factorization.

1181252960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19383 (or 19375 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1181252960 is about 34369.3607738055. The cubic root of 1181252960 is about 1057.0956927721.

The spelling of 1181252960 in words is "one billion, one hundred eighty-one million, two hundred fifty-two thousand, nine hundred sixty".