1071451049 has 2 divisors, whose sum is σ = 1071451050. Its totient is φ = 1071451048.

The previous prime is 1071451001. The next prime is 1071451093. The reversal of 1071451049 is 9401541701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955242649 + 116208400 = 30907^2 + 10780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071451049 - 2²⁴ = 1054673833 is a prime.

It is a super-2 number, since 2×1071451049² = 2296014700806400802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071451949) 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 as a sum of consecutive naturals, namely, 535725524 + 535725525.

It is an arithmetic number, because the mean of its divisors is an integer number (535725525).

Almost surely, 2^1071451049 is an apocalyptic number.

It is an amenable number.

1071451049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071451049 is an equidigital number, since it uses as much as digits as its factorization.

1071451049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1071451049 is about 32733.0268841731. The cubic root of 1071451049 is about 1023.2712637524.

The spelling of 1071451049 in words is "one billion, seventy-one million, four hundred fifty-one thousand, forty-nine".