1159412280 has 128 divisors (see below), whose sum is σ = 3797478720. Its totient is φ = 281456640.

The previous prime is 1159412263. The next prime is 1159412323. The reversal of 1159412280 is 822149511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108790 + ... + 118970.

Almost surely, 2^1159412280 is an apocalyptic number.

1159412280 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 1159412280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898739360).

1159412280 is an abundant number, since it is smaller than the sum of its proper divisors (2638066440).

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

1159412280 is a wasteful number, since it uses less digits than its factorization.

1159412280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281 (or 10277 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1159412280 is about 34050.1436120319. The cubic root of 1159412280 is about 1050.5400940234.

The spelling of 1159412280 in words is "one billion, one hundred fifty-nine million, four hundred twelve thousand, two hundred eighty".