1160521420 has 48 divisors (see below), whose sum is σ = 2525463360. Its totient is φ = 447431936.

The previous prime is 1160521409. The next prime is 1160521421. The reversal of 1160521420 is 241250611.

It is a junction number, because it is equal to n+sod(n) for n = 1160521391 and 1160521400.

It is not an unprimeable number, because it can be changed into a prime (1160521421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429594 + ... + 432286.

It is an arithmetic number, because the mean of its divisors is an integer number (52613820).

Almost surely, 2^1160521420 is an apocalyptic number.

1160521420 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 1160521420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262731680).

1160521420 is an abundant number, since it is smaller than the sum of its proper divisors (1364941940).

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

1160521420 is a wasteful number, since it uses less digits than its factorization.

1160521420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1160521420 is about 34066.4265810196. The cubic root of 1160521420 is about 1050.8749834324.

The spelling of 1160521420 in words is "one billion, one hundred sixty million, five hundred twenty-one thousand, four hundred twenty".