1290491084 has 12 divisors (see below), whose sum is σ = 2356549104. Its totient is φ = 617191344.

The previous prime is 1290491071. The next prime is 1290491093. The reversal of 1290491084 is 4801940921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7013447 + ... + 7013630.

It is an arithmetic number, because the mean of its divisors is an integer number (196379092).

Almost surely, 2^1290491084 is an apocalyptic number.

It is an amenable number.

1290491084 is a deficient number, since it is larger than the sum of its proper divisors (1066058020).

1290491084 is a wasteful number, since it uses less digits than its factorization.

1290491084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027104 (or 14027102 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1290491084 is about 35923.4057962215. The cubic root of 1290491084 is about 1088.7253523033.

The spelling of 1290491084 in words is "one billion, two hundred ninety million, four hundred ninety-one thousand, eighty-four".