1228817120123 has 8 divisors (see below), whose sum is σ = 1255509576768. Its totient is φ = 1202147472384.

The previous prime is 1228817120117. The next prime is 1228817120177. The reversal of 1228817120123 is 3210217188221.

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

It is a cyclic number.

It is not a de Polignac number, because 1228817120123 - 2³⁶ = 1160097643387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228817120423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593286 + ... + 5808827.

It is an arithmetic number, because the mean of its divisors is an integer number (156938697096).

Almost surely, 2^{1228817120123} is an apocalyptic number.

1228817120123 is a deficient number, since it is larger than the sum of its proper divisors (26692456645).

1228817120123 is a wasteful number, since it uses less digits than its factorization.

1228817120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11404453.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 1228817120123 in words is "one trillion, two hundred twenty-eight billion, eight hundred seventeen million, one hundred twenty thousand, one hundred twenty-three".