1283825924 has 12 divisors (see below), whose sum is σ = 2378854044. Its totient is φ = 604153344.

The previous prime is 1283825923. The next prime is 1283825929. The reversal of 1283825924 is 4295283821.

It can be written as a sum of positive squares in 2 ways, for example, as 1154776324 + 129049600 = 33982^2 + 11360^2 .

It is not an unprimeable number, because it can be changed into a prime (1283825923) 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, 9439829 + ... + 9439964.

It is an arithmetic number, because the mean of its divisors is an integer number (198237837).

Almost surely, 2^1283825924 is an apocalyptic number.

It is an amenable number.

1283825924 is a deficient number, since it is larger than the sum of its proper divisors (1095028120).

1283825924 is a wasteful number, since it uses less digits than its factorization.

1283825924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879814 (or 18879812 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 1283825924 is about 35830.5166582900. The cubic root of 1283825924 is about 1086.8477576344.

The spelling of 1283825924 in words is "one billion, two hundred eighty-three million, eight hundred twenty-five thousand, nine hundred twenty-four".