1230265806 has 48 divisors (see below), whose sum is σ = 3090928512. Its totient is φ = 319548240.

The previous prime is 1230265727. The next prime is 1230265849. The reversal of 1230265806 is 6085620321.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115960 + ... + 126123.

It is an arithmetic number, because the mean of its divisors is an integer number (64394344).

Almost surely, 2^1230265806 is an apocalyptic number.

1230265806 is an abundant number, since it is smaller than the sum of its proper divisors (1860662706).

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

1230265806 is a wasteful number, since it uses less digits than its factorization.

1230265806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242117 (or 242106 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1230265806 is about 35075.1451315600. The cubic root of 1230265806 is about 1071.5184444890.

The spelling of 1230265806 in words is "one billion, two hundred thirty million, two hundred sixty-five thousand, eight hundred six".