1207741321 has 2 divisors, whose sum is σ = 1207741322. Its totient is φ = 1207741320.

The previous prime is 1207741261. The next prime is 1207741331. The reversal of 1207741321 is 1231477021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924828921 + 282912400 = 30411^2 + 16820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207741321 - 2⁷ = 1207741193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1207741321.

It is not a weakly prime, because it can be changed into another prime (1207741331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603870660 + 603870661.

It is an arithmetic number, because the mean of its divisors is an integer number (603870661).

Almost surely, 2^1207741321 is an apocalyptic number.

It is an amenable number.

1207741321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207741321 is an equidigital number, since it uses as much as digits as its factorization.

1207741321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 1207741321 is about 34752.5728687820. The cubic root of 1207741321 is about 1064.9387787624.

The spelling of 1207741321 in words is "one billion, two hundred seven million, seven hundred forty-one thousand, three hundred twenty-one".