1284825104 has 10 divisors (see below), whose sum is σ = 2489348670. Its totient is φ = 642412544.

The previous prime is 1284825097. The next prime is 1284825107. The reversal of 1284825104 is 4015284821.

It can be written as a sum of positive squares in only one way, i.e., 1007935504 + 276889600 = 31748^2 + 16640^2 .

It is a super-2 number, since 2×1284825104² = 3301551095737221632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1284825107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40150769 + ... + 40150800.

It is an arithmetic number, because the mean of its divisors is an integer number (248934867).

Almost surely, 2^1284825104 is an apocalyptic number.

It is an amenable number.

1284825104 is a deficient number, since it is larger than the sum of its proper divisors (1204523566).

1284825104 is an equidigital number, since it uses as much as digits as its factorization.

1284825104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80301577 (or 80301571 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 1284825104 is about 35844.4570889280. The cubic root of 1284825104 is about 1087.1296429266.

The spelling of 1284825104 in words is "one billion, two hundred eighty-four million, eight hundred twenty-five thousand, one hundred four".