1351120432073 has 4 divisors (see below), whose sum is σ = 1376613270468. Its totient is φ = 1325627593680.

The previous prime is 1351120432063. The next prime is 1351120432093. The reversal of 1351120432073 is 3702340211531.

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 851988073024 + 499132359049 = 923032^2 + 706493^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351120432073 - 2³⁰ = 1350046690249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351120432033) 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, 12746419118 + ... + 12746419223.

It is an arithmetic number, because the mean of its divisors is an integer number (344153317617).

Almost surely, 2^{1351120432073} is an apocalyptic number.

It is an amenable number.

1351120432073 is a deficient number, since it is larger than the sum of its proper divisors (25492838395).

1351120432073 is an equidigital number, since it uses as much as digits as its factorization.

1351120432073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25492838394.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 1351120432073 in words is "one trillion, three hundred fifty-one billion, one hundred twenty million, four hundred thirty-two thousand, seventy-three".