1127027520 has 140 divisors (see below), whose sum is σ = 4009127364. Its totient is φ = 300533760.

The previous prime is 1127027513. The next prime is 1127027543. The reversal of 1127027520 is 257207211.

1127027520 is a `hidden beast` number, since 112 + 7 + 0 + 27 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 602800704 + 524226816 = 24552^2 + 22896^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 4180 + ... + 47660.

Almost surely, 2^1127027520 is an apocalyptic number.

1127027520 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 1127027520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004563682).

1127027520 is an abundant number, since it is smaller than the sum of its proper divisors (2882099844).

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

1127027520 is an equidigital number, since it uses as much as digits as its factorization.

1127027520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43510 (or 43491 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 1127027520 is about 33571.2305404494. The cubic root of 1127027520 is about 1040.6663382653. Note that the first 3 decimals are identical.

The spelling of 1127027520 in words is "one billion, one hundred twenty-seven million, twenty-seven thousand, five hundred twenty".