1147121360 has 240 divisors, whose sum is σ = 3480848640. Its totient is φ = 347397120.

The previous prime is 1147121357. The next prime is 1147121387. The reversal of 1147121360 is 631217411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1595081 + ... + 1595799.

It is an arithmetic number, because the mean of its divisors is an integer number (14503536).

Almost surely, 2^1147121360 is an apocalyptic number.

1147121360 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 1147121360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740424320).

1147121360 is an abundant number, since it is smaller than the sum of its proper divisors (2333727280).

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

1147121360 is a wasteful number, since it uses less digits than its factorization.

1147121360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1147121360 is about 33869.1800904598. The cubic root of 1147121360 is about 1046.8146427339.

Adding to 1147121360 its reverse (631217411), we get a palindrome (1778338771).

The spelling of 1147121360 in words is "one billion, one hundred forty-seven million, one hundred twenty-one thousand, three hundred sixty".