1081017451 has 2 divisors, whose sum is σ = 1081017452. Its totient is φ = 1081017450.

The previous prime is 1081017449. The next prime is 1081017527. The reversal of 1081017451 is 1547101801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1081017451 - 2¹ = 1081017449 is a prime.

Together with 1081017449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1081017851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540508725 + 540508726.

It is an arithmetic number, because the mean of its divisors is an integer number (540508726).

Almost surely, 2^1081017451 is an apocalyptic number.

1081017451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081017451 is an equidigital number, since it uses as much as digits as its factorization.

1081017451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 1081017451 is about 32878.8298301506. The cubic root of 1081017451 is about 1026.3076551674.

The spelling of 1081017451 in words is "one billion, eighty-one million, seventeen thousand, four hundred fifty-one".