1127081 has 2 divisors, whose sum is σ = 1127082. Its totient is φ = 1127080.

The previous prime is 1127051. The next prime is 1127101. The reversal of 1127081 is 1807211.

It is an a-pointer prime, because the next prime (1127101) can be obtained adding 1127081 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 3481 = 1060^2 + 59^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127081 is a prime.

It is a super-2 number, since 2×1127081² = 2540623161122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1127011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563540 + 563541.

It is an arithmetic number, because the mean of its divisors is an integer number (563541).

2^1127081 is an apocalyptic number.

It is an amenable number.

1127081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127081 is an equidigital number, since it uses as much as digits as its factorization.

1127081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1127081 is about 1061.6407113520. The cubic root of 1127081 is about 104.0682798661.

The spelling of 1127081 in words is "one million, one hundred twenty-seven thousand, eighty-one".