1012684025 has 6 divisors (see below), whose sum is σ = 1255728222. Its totient is φ = 810147200.

The previous prime is 1012684007. The next prime is 1012684039. The reversal of 1012684025 is 5204862101.

It can be written as a sum of positive squares in 3 ways, for example, as 253350889 + 759333136 = 15917^2 + 27556^2 .

It is not a de Polignac number, because 1012684025 - 2⁶ = 1012683961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20253656 + ... + 20253705.

It is an arithmetic number, because the mean of its divisors is an integer number (209288037).

Almost surely, 2^1012684025 is an apocalyptic number.

It is an amenable number.

1012684025 is a deficient number, since it is larger than the sum of its proper divisors (243044197).

1012684025 is an equidigital number, since it uses as much as digits as its factorization.

1012684025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40507371 (or 40507366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1012684025 is about 31822.6966959119. The cubic root of 1012684025 is about 1004.2102571903.

The spelling of 1012684025 in words is "one billion, twelve million, six hundred eighty-four thousand, twenty-five".