1243124269228 has 6 divisors (see below), whose sum is σ = 2175467471156. Its totient is φ = 621562134612.

The previous prime is 1243124269199. The next prime is 1243124269243. The reversal of 1243124269228 is 8229624213421.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155390533650 + ... + 155390533657.

Almost surely, 2^{1243124269228} is an apocalyptic number.

It is an amenable number.

1243124269228 is a deficient number, since it is larger than the sum of its proper divisors (932343201928).

1243124269228 is a wasteful number, since it uses less digits than its factorization.

1243124269228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310781067311 (or 310781067309 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The spelling of 1243124269228 in words is "one trillion, two hundred forty-three billion, one hundred twenty-four million, two hundred sixty-nine thousand, two hundred twenty-eight".