1273792383 has 12 divisors (see below), whose sum is σ = 1840336680. Its totient is φ = 849003696.

The previous prime is 1273792321. The next prime is 1273792391. The reversal of 1273792383 is 3832973721.

It is not a de Polignac number, because 1273792383 - 2¹³ = 1273784191 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273792313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34728 + ... + 61266.

It is an arithmetic number, because the mean of its divisors is an integer number (153361390).

Almost surely, 2^1273792383 is an apocalyptic number.

1273792383 is a deficient number, since it is larger than the sum of its proper divisors (566544297).

1273792383 is a wasteful number, since it uses less digits than its factorization.

1273792383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31878 (or 31875 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 1273792383 is about 35690.2281163906. The cubic root of 1273792383 is about 1084.0089864476.

The spelling of 1273792383 in words is "one billion, two hundred seventy-three million, seven hundred ninety-two thousand, three hundred eighty-three".