1373042117 has 4 divisors (see below), whose sum is σ = 1373371020. Its totient is φ = 1372713216.

The previous prime is 1373042113. The next prime is 1373042131. The reversal of 1373042117 is 7112403731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7112403731 = 5297 ⋅1342723.

It can be written as a sum of positive squares in 2 ways, for example, as 1079056801 + 293985316 = 32849^2 + 17146^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373042117 - 2² = 1373042113 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 1373042117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373042113) 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, 158108 + ... + 166565.

It is an arithmetic number, because the mean of its divisors is an integer number (343342755).

Almost surely, 2^1373042117 is an apocalyptic number.

It is an amenable number.

1373042117 is a deficient number, since it is larger than the sum of its proper divisors (328903).

1373042117 is an equidigital number, since it uses as much as digits as its factorization.

1373042117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328902.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1373042117 is about 37054.5829419250. The cubic root of 1373042117 is about 1111.4620015074.

Adding to 1373042117 its reverse (7112403731), we get a palindrome (8485445848).

The spelling of 1373042117 in words is "one billion, three hundred seventy-three million, forty-two thousand, one hundred seventeen".