1290544772 has 12 divisors (see below), whose sum is σ = 2463767376. Its totient is φ = 586611240.

The previous prime is 1290544769. The next prime is 1290544799. The reversal of 1290544772 is 2774450921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14665238 + ... + 14665325.

It is an arithmetic number, because the mean of its divisors is an integer number (205313948).

Almost surely, 2^1290544772 is an apocalyptic number.

It is an amenable number.

1290544772 is a deficient number, since it is larger than the sum of its proper divisors (1173222604).

1290544772 is a wasteful number, since it uses less digits than its factorization.

1290544772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29330578 (or 29330576 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1290544772 is about 35924.1530449919. The cubic root of 1290544772 is about 1088.7404500896.

The spelling of 1290544772 in words is "one billion, two hundred ninety million, five hundred forty-four thousand, seven hundred seventy-two".