1265961282 has 8 divisors (see below), whose sum is σ = 2531922576. Its totient is φ = 421987092.

The previous prime is 1265961247. The next prime is 1265961299. The reversal of 1265961282 is 2821695621.

It is a sphenic number, since it is the product of 3 distinct primes.

1265961282 is an admirable number.

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, 105496768 + ... + 105496779.

It is an arithmetic number, because the mean of its divisors is an integer number (316490322).

Almost surely, 2^1265961282 is an apocalyptic number.

1265961282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1265961282 is a wasteful number, since it uses less digits than its factorization.

1265961282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210993552.

The product of its digits is 103680, while the sum is 42.

The square root of 1265961282 is about 35580.3496610137. The cubic root of 1265961282 is about 1081.7829722235.

The spelling of 1265961282 in words is "one billion, two hundred sixty-five million, nine hundred sixty-one thousand, two hundred eighty-two".