1290543004 has 48 divisors (see below), whose sum is σ = 2478833280. Its totient is φ = 585748800.

The previous prime is 1290542993. The next prime is 1290543029. The reversal of 1290543004 is 4003450921.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 169479 + ... + 176929.

It is an arithmetic number, because the mean of its divisors is an integer number (51642360).

Almost surely, 2^1290543004 is an apocalyptic number.

It is an amenable number.

1290543004 is a deficient number, since it is larger than the sum of its proper divisors (1188290276).

1290543004 is a wasteful number, since it uses less digits than its factorization.

1290543004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1290543004 is about 35924.1284375836. The cubic root of 1290543004 is about 1088.7399529110.

Adding to 1290543004 its reverse (4003450921), we get a palindrome (5293993925).

The spelling of 1290543004 in words is "one billion, two hundred ninety million, five hundred forty-three thousand, four".