1210560656 has 20 divisors (see below), whose sum is σ = 2447438592. Its totient is φ = 578963616.

The previous prime is 1210560653. The next prime is 1210560671. The reversal of 1210560656 is 6560650121.

It is not an unprimeable number, because it can be changed into a prime (1210560653) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1644416 + ... + 1645151.

Almost surely, 2^1210560656 is an apocalyptic number.

1210560656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1210560656 is an abundant number, since it is smaller than the sum of its proper divisors (1236877936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210560656 is a wasteful number, since it uses less digits than its factorization.

1210560656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289598 (or 3289592 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1210560656 is about 34793.1121919267. The cubic root of 1210560656 is about 1065.7667943525.

The spelling of 1210560656 in words is "one billion, two hundred ten million, five hundred sixty thousand, six hundred fifty-six".