1228928955434 has 8 divisors (see below), whose sum is σ = 1843576685028. Its totient is φ = 614403393760.

The previous prime is 1228928955389. The next prime is 1228928955437. The reversal of 1228928955434 is 4345598298221.

It can be written as a sum of positive squares in 2 ways, for example, as 1137522503209 + 91406452225 = 1066547^2 + 302335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1228928955437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30516827 + ... + 30557070.

Almost surely, 2^{1228928955434} is an apocalyptic number.

1228928955434 is a deficient number, since it is larger than the sum of its proper divisors (614647729594).

1228928955434 is a wasteful number, since it uses less digits than its factorization.

1228928955434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61083960.

The product of its digits is 49766400, while the sum is 62.

The spelling of 1228928955434 in words is "one trillion, two hundred twenty-eight billion, nine hundred twenty-eight million, nine hundred fifty-five thousand, four hundred thirty-four".