1294935801601 has 4 divisors (see below), whose sum is σ = 1394546247892. Its totient is φ = 1195325355312.

The previous prime is 1294935801583. The next prime is 1294935801617. The reversal of 1294935801601 is 1061085394921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 350462816001 + 944472985600 = 591999^2 + 971840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1294935801601 - 2¹³ = 1294935793409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1294935801001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49805223126 + ... + 49805223151.

It is an arithmetic number, because the mean of its divisors is an integer number (348636561973).

Almost surely, 2^{1294935801601} is an apocalyptic number.

It is an amenable number.

1294935801601 is a deficient number, since it is larger than the sum of its proper divisors (99610446291).

1294935801601 is an equidigital number, since it uses as much as digits as its factorization.

1294935801601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99610446290.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 1294935801601 in words is "one trillion, two hundred ninety-four billion, nine hundred thirty-five million, eight hundred one thousand, six hundred one".