1025336128 has 14 divisors (see below), whose sum is σ = 2034651506. Its totient is φ = 512668032.

The previous prime is 1025336107. The next prime is 1025336149. The reversal of 1025336128 is 8216335201.

It is an interprime number because it is at equal distance from previous prime (1025336107) and next prime (1025336149).

It can be written as a sum of positive squares in only one way, i.e., 765739584 + 259596544 = 27672^2 + 16112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1025336128.

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, 8010375 + ... + 8010502.

Almost surely, 2^1025336128 is an apocalyptic number.

It is an amenable number.

1025336128 is a deficient number, since it is larger than the sum of its proper divisors (1009315378).

1025336128 is an equidigital number, since it uses as much as digits as its factorization.

1025336128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16020889 (or 16020879 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1025336128 is about 32020.8701942967. The cubic root of 1025336128 is about 1008.3750389113.

The spelling of 1025336128 in words is "one billion, twenty-five million, three hundred thirty-six thousand, one hundred twenty-eight".