1036491128 has 8 divisors (see below), whose sum is σ = 1943420880. Its totient is φ = 518245560.

The previous prime is 1036491121. The next prime is 1036491133. The reversal of 1036491128 is 8211946301.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036491121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64780688 + ... + 64780703.

It is an arithmetic number, because the mean of its divisors is an integer number (242927610).

Almost surely, 2^1036491128 is an apocalyptic number.

It is an amenable number.

1036491128 is a deficient number, since it is larger than the sum of its proper divisors (906929752).

1036491128 is a wasteful number, since it uses less digits than its factorization.

1036491128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129561397 (or 129561393 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1036491128 is about 32194.5822771472. The cubic root of 1036491128 is about 1012.0186819238.

The spelling of 1036491128 in words is "one billion, thirty-six million, four hundred ninety-one thousand, one hundred twenty-eight".