1126601280 has 672 divisors, whose sum is σ = 4792919040. Its totient is φ = 237404160.

The previous prime is 1126601243. The next prime is 1126601293. The reversal of 1126601280 is 821066211.

1126601280 is a `hidden beast` number, since 11 + 26 + 601 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23970217 + ... + 23970263.

It is an arithmetic number, because the mean of its divisors is an integer number (7132320).

Almost surely, 2^1126601280 is an apocalyptic number.

1126601280 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 1126601280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396459520).

1126601280 is an abundant number, since it is smaller than the sum of its proper divisors (3666317760).

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

1126601280 is a wasteful number, since it uses less digits than its factorization.

1126601280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1126601280 is about 33564.8816473409. The cubic root of 1126601280 is about 1040.5351289430.

Adding to 1126601280 its reverse (821066211), we get a palindrome (1947667491).

The spelling of 1126601280 in words is "one billion, one hundred twenty-six million, six hundred one thousand, two hundred eighty".