1283772460 has 12 divisors (see below), whose sum is σ = 2695922208. Its totient is φ = 513508976.

The previous prime is 1283772437. The next prime is 1283772463. The reversal of 1283772460 is 642773821.

It is not an unprimeable number, because it can be changed into a prime (1283772463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32094292 + ... + 32094331.

It is an arithmetic number, because the mean of its divisors is an integer number (224660184).

Almost surely, 2^1283772460 is an apocalyptic number.

1283772460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1283772460 is an abundant number, since it is smaller than the sum of its proper divisors (1412149748).

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

1283772460 is a wasteful number, since it uses less digits than its factorization.

1283772460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64188632 (or 64188630 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1283772460 is about 35829.7705825756. The cubic root of 1283772460 is about 1086.8326704293.

The spelling of 1283772460 in words is "one billion, two hundred eighty-three million, seven hundred seventy-two thousand, four hundred sixty".