1373112743 has 4 divisors (see below), whose sum is σ = 1378333968. Its totient is φ = 1367891520.

The previous prime is 1373112739. The next prime is 1373112749. The reversal of 1373112743 is 3472113731.

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

It is a cyclic number.

It is not a de Polignac number, because 1373112743 - 2² = 1373112739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373112749) 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, 2610218 + ... + 2610743.

It is an arithmetic number, because the mean of its divisors is an integer number (344583492).

Almost surely, 2^1373112743 is an apocalyptic number.

1373112743 is a deficient number, since it is larger than the sum of its proper divisors (5221225).

1373112743 is an equidigital number, since it uses as much as digits as its factorization.

1373112743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221224.

The product of its digits is 10584, while the sum is 32.

The square root of 1373112743 is about 37055.5359291969. The cubic root of 1373112743 is about 1111.4810581623.

The spelling of 1373112743 in words is "one billion, three hundred seventy-three million, one hundred twelve thousand, seven hundred forty-three".