1027491748 has 6 divisors (see below), whose sum is σ = 1798110566. Its totient is φ = 513745872.

The previous prime is 1027491737. The next prime is 1027491749. The reversal of 1027491748 is 8471947201.

It can be written as a sum of positive squares in only one way, i.e., 970820964 + 56670784 = 31158^2 + 7528^2 .

It is not an unprimeable number, because it can be changed into a prime (1027491749) by changing a digit.

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 as a sum of consecutive naturals, namely, 128436465 + ... + 128436472.

Almost surely, 2^1027491748 is an apocalyptic number.

It is an amenable number.

1027491748 is a deficient number, since it is larger than the sum of its proper divisors (770618818).

1027491748 is a wasteful number, since it uses less digits than its factorization.

1027491748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256872941 (or 256872939 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1027491748 is about 32054.5121316797. The cubic root of 1027491748 is about 1009.0811982026.

The spelling of 1027491748 in words is "one billion, twenty-seven million, four hundred ninety-one thousand, seven hundred forty-eight".