1283873792 has 22 divisors (see below), whose sum is σ = 2566495848. Its totient is φ = 641936384.

The previous prime is 1283873791. The next prime is 1283873821. The reversal of 1283873792 is 2973783821.

It is a self number, because there is not a number n which added to its sum of digits gives 1283873792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283873791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625868 + ... + 627915.

Almost surely, 2^1283873792 is an apocalyptic number.

It is an amenable number.

1283873792 is a deficient number, since it is larger than the sum of its proper divisors (1282622056).

1283873792 is an equidigital number, since it uses as much as digits as its factorization.

1283873792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253803 (or 1253785 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 1283873792 is about 35831.1846301514. The cubic root of 1283873792 is about 1086.8612653280.

The spelling of 1283873792 in words is "one billion, two hundred eighty-three million, eight hundred seventy-three thousand, seven hundred ninety-two".