1230026305 has 16 divisors (see below), whose sum is σ = 1491930000. Its totient is φ = 973451520.

The previous prime is 1230026293. The next prime is 1230026321. The reversal of 1230026305 is 5036200321.

It can be written as a sum of positive squares in 8 ways, for example, as 110187009 + 1119839296 = 10497^2 + 33464^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1230026305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446071 + ... + 448819.

It is an arithmetic number, because the mean of its divisors is an integer number (93245625).

Almost surely, 2^1230026305 is an apocalyptic number.

It is an amenable number.

1230026305 is a deficient number, since it is larger than the sum of its proper divisors (261903695).

1230026305 is a wasteful number, since it uses less digits than its factorization.

1230026305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1230026305 is about 35071.7308526397. The cubic root of 1230026305 is about 1071.4489076479.

Adding to 1230026305 its reverse (5036200321), we get a palindrome (6266226626).

The spelling of 1230026305 in words is "one billion, two hundred thirty million, twenty-six thousand, three hundred five".