1283040630 has 24 divisors (see below), whose sum is σ = 3335905872. Its totient is φ = 342144144.

The previous prime is 1283040623. The next prime is 1283040637. The reversal of 1283040630 is 360403821.

It is a happy number.

1283040630 is a `hidden beast` number, since 1 + 28 + 3 + 0 + 4 + 0 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (1283040623) and next prime (1283040637).

It is a junction number, because it is equal to n+sod(n) for n = 1283040594 and 1283040603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283040637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7127914 + ... + 7128093.

It is an arithmetic number, because the mean of its divisors is an integer number (138996078).

Almost surely, 2^1283040630 is an apocalyptic number.

1283040630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1283040630 is an abundant number, since it is smaller than the sum of its proper divisors (2052865242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283040630 is a wasteful number, since it uses less digits than its factorization.

1283040630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14256020 (or 14256017 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1283040630 is about 35819.5565299181. The cubic root of 1283040630 is about 1086.6261104757.

The spelling of 1283040630 in words is "one billion, two hundred eighty-three million, forty thousand, six hundred thirty".