1180421480 has 64 divisors (see below), whose sum is σ = 3040260480. Its totient is φ = 404064000.

The previous prime is 1180421467. The next prime is 1180421483. The reversal of 1180421480 is 841240811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1180421483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190430 + ... + 196530.

It is an arithmetic number, because the mean of its divisors is an integer number (47504070).

Almost surely, 2^1180421480 is an apocalyptic number.

1180421480 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 1180421480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520130240).

1180421480 is an abundant number, since it is smaller than the sum of its proper divisors (1859839000).

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

1180421480 is a wasteful number, since it uses less digits than its factorization.

1180421480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810 (or 6806 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1180421480 is about 34357.2624054944. The cubic root of 1180421480 is about 1056.8476058486.

The spelling of 1180421480 in words is "one billion, one hundred eighty million, four hundred twenty-one thousand, four hundred eighty".