1228461877064 has 16 divisors (see below), whose sum is σ = 2303383755120. Its totient is φ = 614226209040.

The previous prime is 1228461877039. The next prime is 1228461877127. The reversal of 1228461877064 is 4607781648221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671327 + ... + 1705169.

It is an arithmetic number, because the mean of its divisors is an integer number (143961484695).

Almost surely, 2^{1228461877064} is an apocalyptic number.

It is an amenable number.

1228461877064 is a deficient number, since it is larger than the sum of its proper divisors (1074921878056).

1228461877064 is a wasteful number, since it uses less digits than its factorization.

1228461877064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182380 (or 1182376 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 1228461877064 in words is "one trillion, two hundred twenty-eight billion, four hundred sixty-one million, eight hundred seventy-seven thousand, sixty-four".