1119990656 has 16 divisors (see below), whose sum is σ = 2231231640. Its totient is φ = 559995264.

The previous prime is 1119990631. The next prime is 1119990667. The reversal of 1119990656 is 6560999111.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1119990656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374836 + ... + 4375091.

Almost surely, 2^1119990656 is an apocalyptic number.

1119990656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1119990656 is a deficient number, since it is larger than the sum of its proper divisors (1111240984).

1119990656 is an frugal number, since it uses more digits than its factorization.

1119990656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749941 (or 8749929 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 47.

The square root of 1119990656 is about 33466.2614583703. The cubic root of 1119990656 is about 1038.4959323464.

The spelling of 1119990656 in words is "one billion, one hundred nineteen million, nine hundred ninety thousand, six hundred fifty-six".