1230105254 has 16 divisors (see below), whose sum is σ = 2121692928. Its totient is φ = 523952712.

The previous prime is 1230105187. The next prime is 1230105259. The reversal of 1230105254 is 4525010321.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230105259) 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, 267242 + ... + 271805.

It is an arithmetic number, because the mean of its divisors is an integer number (132605808).

Almost surely, 2^1230105254 is an apocalyptic number.

1230105254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1230105254 is a deficient number, since it is larger than the sum of its proper divisors (891587674).

1230105254 is a wasteful number, since it uses less digits than its factorization.

1230105254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539219.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1230105254 is about 35072.8563707035. The cubic root of 1230105254 is about 1071.4718307376.

Adding to 1230105254 its reverse (4525010321), we get a palindrome (5755115575).

The spelling of 1230105254 in words is "one billion, two hundred thirty million, one hundred five thousand, two hundred fifty-four".