1283261732 has 12 divisors (see below), whose sum is σ = 2247467376. Its totient is φ = 641128200.

The previous prime is 1283261723. The next prime is 1283261753. The reversal of 1283261732 is 2371623821.

It is a junction number, because it is equal to n+sod(n) for n = 1283261692 and 1283261701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119894 + ... + 130157.

It is an arithmetic number, because the mean of its divisors is an integer number (187288948).

Almost surely, 2^1283261732 is an apocalyptic number.

It is an amenable number.

1283261732 is a deficient number, since it is larger than the sum of its proper divisors (964205644).

1283261732 is a wasteful number, since it uses less digits than its factorization.

1283261732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251338 (or 251336 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 1283261732 is about 35822.6427277497. The cubic root of 1283261732 is about 1086.6885250767.

The spelling of 1283261732 in words is "one billion, two hundred eighty-three million, two hundred sixty-one thousand, seven hundred thirty-two".