1181734260 has 384 divisors, whose sum is σ = 4366172160. Its totient is φ = 232243200.

The previous prime is 1181734259. The next prime is 1181734261. The reversal of 1181734260 is 624371811.

It is an interprime number because it is at equal distance from previous prime (1181734259) and next prime (1181734261).

It is a super-2 number, since 2×1181734260² = 2792991722515495200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181734261) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4205320 + ... + 4205600.

It is an arithmetic number, because the mean of its divisors is an integer number (11370240).

Almost surely, 2^1181734260 is an apocalyptic number.

1181734260 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 1181734260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183086080).

1181734260 is an abundant number, since it is smaller than the sum of its proper divisors (3184437900).

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

1181734260 is a wasteful number, since it uses less digits than its factorization.

1181734260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1181734260 is about 34376.3619366564. The cubic root of 1181734260 is about 1057.2392440377.

The spelling of 1181734260 in words is "one billion, one hundred eighty-one million, seven hundred thirty-four thousand, two hundred sixty".