1273053601 has 8 divisors (see below), whose sum is σ = 1284746400. Its totient is φ = 1261397280.

The previous prime is 1273053589. The next prime is 1273053647. The reversal of 1273053601 is 1063503721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1273053601 - 2¹¹ = 1273051553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1273053601.

It is not an unprimeable number, because it can be changed into a prime (1273053671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63630 + ... + 81208.

It is an arithmetic number, because the mean of its divisors is an integer number (160593300).

Almost surely, 2^1273053601 is an apocalyptic number.

It is an amenable number.

1273053601 is a deficient number, since it is larger than the sum of its proper divisors (11692799).

1273053601 is a wasteful number, since it uses less digits than its factorization.

1273053601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18239.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1273053601 is about 35679.8766954147. The cubic root of 1273053601 is about 1083.7993758354.

The spelling of 1273053601 in words is "one billion, two hundred seventy-three million, fifty-three thousand, six hundred one".