1074382181 has 2 divisors, whose sum is σ = 1074382182. Its totient is φ = 1074382180.

The previous prime is 1074382139. The next prime is 1074382193. The reversal of 1074382181 is 1812834701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836944900 + 237437281 = 28930^2 + 15409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074382181 - 2⁶ = 1074382117 is a prime.

It is a super-2 number, since 2×1074382181² = 2308594141700633522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074382121) by changing a digit.

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 as a sum of consecutive naturals, namely, 537191090 + 537191091.

It is an arithmetic number, because the mean of its divisors is an integer number (537191091).

Almost surely, 2^1074382181 is an apocalyptic number.

It is an amenable number.

1074382181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074382181 is an equidigital number, since it uses as much as digits as its factorization.

1074382181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1074382181 is about 32777.7696160065. The cubic root of 1074382181 is about 1024.2035235544.

The spelling of 1074382181 in words is "one billion, seventy-four million, three hundred eighty-two thousand, one hundred eighty-one".