1147816260 has 72 divisors (see below), whose sum is σ = 3538820376. Its totient is φ = 301063680.

The previous prime is 1147816253. The next prime is 1147816273. The reversal of 1147816260 is 626187411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 127780416 + 1020035844 = 11304^2 + 31938^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41289 + ... + 63248.

It is an arithmetic number, because the mean of its divisors is an integer number (49150283).

Almost surely, 2^1147816260 is an apocalyptic number.

1147816260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1147816260 is an abundant number, since it is smaller than the sum of its proper divisors (2391004116).

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

1147816260 is a wasteful number, since it uses less digits than its factorization.

1147816260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104613 (or 104608 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1147816260 is about 33879.4371263750. The cubic root of 1147816260 is about 1047.0259788903.

The spelling of 1147816260 in words is "one billion, one hundred forty-seven million, eight hundred sixteen thousand, two hundred sixty".