1280252572 has 6 divisors (see below), whose sum is σ = 2240442008. Its totient is φ = 640126284.

The previous prime is 1280252557. The next prime is 1280252581. The reversal of 1280252572 is 2752520821.

It is a super-2 number, since 2×1280252572² = 3278093296225230368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160031568 + ... + 160031575.

Almost surely, 2^1280252572 is an apocalyptic number.

It is an amenable number.

1280252572 is a deficient number, since it is larger than the sum of its proper divisors (960189436).

1280252572 is a wasteful number, since it uses less digits than its factorization.

1280252572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320063147 (or 320063145 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1280252572 is about 35780.6172668947. The cubic root of 1280252572 is about 1085.8384571377.

The spelling of 1280252572 in words is "one billion, two hundred eighty million, two hundred fifty-two thousand, five hundred seventy-two".