1234122828858 has 24 divisors (see below), whose sum is σ = 2675067352308. Its totient is φ = 411199729152.

The previous prime is 1234122828839. The next prime is 1234122828859. The reversal of 1234122828858 is 8588282214321.

1234122828858 is a `hidden beast` number, since 1 + 2 + 341 + 228 + 28 + 8 + 58 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1216889178129 + 17233650729 = 1103127^2 + 131277^2 .

It is not an unprimeable number, because it can be changed into a prime (1234122828859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14501991 + ... + 14586842.

Almost surely, 2^{1234122828858} is an apocalyptic number.

1234122828858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1234122828858 is an abundant number, since it is smaller than the sum of its proper divisors (1440944523450).

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

1234122828858 is a wasteful number, since it uses less digits than its factorization.

1234122828858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091198 (or 29091195 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 54.

The spelling of 1234122828858 in words is "one trillion, two hundred thirty-four billion, one hundred twenty-two million, eight hundred twenty-eight thousand, eight hundred fifty-eight".