1152101280 has 384 divisors, whose sum is σ = 4232632320. Its totient is φ = 260648960.

The previous prime is 1152101273. The next prime is 1152101287. The reversal of 1152101280 is 821012511.

It is an interprime number because it is at equal distance from previous prime (1152101273) and next prime (1152101287).

It is not an unprimeable number, because it can be changed into a prime (1152101287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6436231 + ... + 6436409.

It is an arithmetic number, because the mean of its divisors is an integer number (11022480).

Almost surely, 2^1152101280 is an apocalyptic number.

1152101280 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 1152101280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116316160).

1152101280 is an abundant number, since it is smaller than the sum of its proper divisors (3080531040).

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

1152101280 is a wasteful number, since it uses less digits than its factorization.

1152101280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 1152101280 is about 33942.6174594712. The cubic root of 1152101280 is about 1048.3272776963.

Adding to 1152101280 its reverse (821012511), we get a palindrome (1973113791).

The spelling of 1152101280 in words is "one billion, one hundred fifty-two million, one hundred one thousand, two hundred eighty".