1226752680 has 32 divisors (see below), whose sum is σ = 3680258400. Its totient is φ = 327134016.

The previous prime is 1226752669. The next prime is 1226752729. The reversal of 1226752680 is 862576221.

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 7 ways as a sum of consecutive naturals, for example, 5111350 + ... + 5111589.

It is an arithmetic number, because the mean of its divisors is an integer number (115008075).

Almost surely, 2^1226752680 is an apocalyptic number.

1226752680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226752680 is an abundant number, since it is smaller than the sum of its proper divisors (2453505720).

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

1226752680 is a wasteful number, since it uses less digits than its factorization.

1226752680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222953 (or 10222949 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1226752680 is about 35025.0293361762. The cubic root of 1226752680 is about 1070.4975355252.

The spelling of 1226752680 in words is "one billion, two hundred twenty-six million, seven hundred fifty-two thousand, six hundred eighty".