1230105426 has 16 divisors (see below), whose sum is σ = 2683866528. Its totient is φ = 372759200.

The previous prime is 1230105421. The next prime is 1230105427. The reversal of 1230105426 is 6245010321.

It is a junction number, because it is equal to n+sod(n) for n = 1230105396 and 1230105405.

It is not an unprimeable number, because it can be changed into a prime (1230105421) 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, 9318915 + ... + 9319046.

It is an arithmetic number, because the mean of its divisors is an integer number (167741658).

Almost surely, 2^1230105426 is an apocalyptic number.

1230105426 is an abundant number, since it is smaller than the sum of its proper divisors (1453761102).

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

1230105426 is a wasteful number, since it uses less digits than its factorization.

1230105426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18637977.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1230105426 is about 35072.8588227421. The cubic root of 1230105426 is about 1071.4718806773.

Adding to 1230105426 its reverse (6245010321), we get a palindrome (7475115747).

The spelling of 1230105426 in words is "one billion, two hundred thirty million, one hundred five thousand, four hundred twenty-six".