1298727274103 has 24 divisors (see below), whose sum is σ = 1563180644880. Its totient is φ = 1074588063360.

The previous prime is 1298727274081. The next prime is 1298727274177. The reversal of 1298727274103 is 3014727278921.

It is a happy number.

It is not a de Polignac number, because 1298727274103 - 2¹² = 1298727270007 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298727274193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7017923 + ... + 7200603.

It is an arithmetic number, because the mean of its divisors is an integer number (65132526870).

Almost surely, 2^{1298727274103} is an apocalyptic number.

1298727274103 is a deficient number, since it is larger than the sum of its proper divisors (264453370777).

1298727274103 is a wasteful number, since it uses less digits than its factorization.

1298727274103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187727 (or 187720 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 1298727274103 in words is "one trillion, two hundred ninety-eight billion, seven hundred twenty-seven million, two hundred seventy-four thousand, one hundred three".