1230644026 has 16 divisors (see below), whose sum is σ = 1927051200. Its totient is φ = 588316608.

The previous prime is 1230644017. The next prime is 1230644053. The reversal of 1230644026 is 6204460321.

It is a junction number, because it is equal to n+sod(n) for n = 1230643985 and 1230644003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145810 + ... + 154018.

It is an arithmetic number, because the mean of its divisors is an integer number (120440700).

Almost surely, 2^1230644026 is an apocalyptic number.

1230644026 is a deficient number, since it is larger than the sum of its proper divisors (696407174).

1230644026 is a wasteful number, since it uses less digits than its factorization.

1230644026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1230644026 is about 35080.5362843843. The cubic root of 1230644026 is about 1071.6282386979.

The spelling of 1230644026 in words is "one billion, two hundred thirty million, six hundred forty-four thousand, twenty-six".