1284018952 has 8 divisors (see below), whose sum is σ = 2407535550. Its totient is φ = 642009472.

The previous prime is 1284018949. The next prime is 1284018997. The reversal of 1284018952 is 2598104821.

It can be written as a sum of positive squares in only one way, i.e., 836019396 + 447999556 = 28914^2 + 21166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80251177 + ... + 80251192.

Almost surely, 2^1284018952 is an apocalyptic number.

It is an amenable number.

1284018952 is a deficient number, since it is larger than the sum of its proper divisors (1123516598).

1284018952 is a wasteful number, since it uses less digits than its factorization.

1284018952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160502375 (or 160502371 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1284018952 is about 35833.2101827341. The cubic root of 1284018952 is about 1086.9022254382.

The spelling of 1284018952 in words is "one billion, two hundred eighty-four million, eighteen thousand, nine hundred fifty-two".