1070418721 has 2 divisors, whose sum is σ = 1070418722. Its totient is φ = 1070418720.

The previous prime is 1070418673. The next prime is 1070418743. The reversal of 1070418721 is 1278140701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618218496 + 452200225 = 24864^2 + 21265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070418721 - 2¹³ = 1070410529 is a prime.

It is a super-2 number, since 2×1070418721² = 2291592476534551682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1070418421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535209360 + 535209361.

It is an arithmetic number, because the mean of its divisors is an integer number (535209361).

Almost surely, 2^1070418721 is an apocalyptic number.

It is an amenable number.

1070418721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1070418721 is an equidigital number, since it uses as much as digits as its factorization.

1070418721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1070418721 is about 32717.2541787969. The cubic root of 1070418721 is about 1022.9425223321.

The spelling of 1070418721 in words is "one billion, seventy million, four hundred eighteen thousand, seven hundred twenty-one".