1262040601 has 2 divisors, whose sum is σ = 1262040602. Its totient is φ = 1262040600.

The previous prime is 1262040587. The next prime is 1262040607. The reversal of 1262040601 is 1060402621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1146499600 + 115541001 = 33860^2 + 10749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1262040601 - 2¹¹ = 1262038553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262040607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631020300 + 631020301.

It is an arithmetic number, because the mean of its divisors is an integer number (631020301).

Almost surely, 2^1262040601 is an apocalyptic number.

It is an amenable number.

1262040601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262040601 is an equidigital number, since it uses as much as digits as its factorization.

1262040601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1262040601 is about 35525.2107805147. The cubic root of 1262040601 is about 1080.6650570562.

The spelling of 1262040601 in words is "one billion, two hundred sixty-two million, forty thousand, six hundred one".