1127926837521 has 27 divisors (see below), whose sum is σ = 1790859596617. Its totient is φ = 683570781960.

The previous prime is 1127926837469. The next prime is 1127926837529. The reversal of 1127926837521 is 1257386297211.

The square root of 1127926837521 is 1062039.

It is a perfect power (a square), and thus also a powerful number.

1127926837521 is a `hidden beast` number, since 1 + 1 + 2 + 7 + 9 + 268 + 375 + 2 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1127926837521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1127926837529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35031196 + ... + 35063378.

Almost surely, 2^{1127926837521} is an apocalyptic number.

1127926837521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1127926837521 is the 1062039-th square number.

1127926837521 is the 531020-th centered octagonal number.

It is an amenable number.

1127926837521 is a deficient number, since it is larger than the sum of its proper divisors (662932759096).

1127926837521 is an frugal number, since it uses more digits than its factorization.

1127926837521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64394 (or 32197 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 1127926837521 in words is "one trillion, one hundred twenty-seven billion, nine hundred twenty-six million, eight hundred thirty-seven thousand, five hundred twenty-one".